Переведем число 1011001100010101110110010 в восьмеричное вот так:
Целая часть числа находится делением на основание новой системы счисления:
10110011000101011101100 | 8 | | | | | | | | | | | | | | | | | | | | | | | | |
-1.0110011000101E+22 | 1263751375012626387637 | 8 | | | | | | | | | | | | | | | | | | | | | | | |
7 | -1.2637513750126E+21 | 157968921876578298454 | 8 | | | | | | | | | | | | | | | | | | | | | | |
| 7 | -1.5796892187658E+20 | 19746115234572287306 | 8 | | | | | | | | | | | | | | | | | | | | | |
| | 7 | -1.9746115234572E+19 | 2468264404321535913 | 8 | | | | | | | | | | | | | | | | | | | | |
| | | 7 | -2468264404321535912 | 308533050540191989 | 8 | | | | | | | | | | | | | | | | | | | |
| | | | 1 | -308533050540191984 | 38566631317523998 | 8 | | | | | | | | | | | | | | | | | | |
| | | | | 5 | -38566631317523992 | 4820828914690499 | 8 | | | | | | | | | | | | | | | | | |
| | | | | | 6 | -4820828914690496 | 602603614336312 | 8 | | | | | | | | | | | | | | | | |
| | | | | | | 3 | -602603614336312 | 75325451792039 | 8 | | | | | | | | | | | | | | | |
| | | | | | | | 0 | -75325451792032 | 9415681474004 | 8 | | | | | | | | | | | | | | |
| | | | | | | | | 7 | -9415681474000 | 1176960184250 | 8 | | | | | | | | | | | | | |
| | | | | | | | | | 4 | -1176960184248 | 147120023031 | 8 | | | | | | | | | | | | |
| | | | | | | | | | | 2 | -147120023024 | 18390002878 | 8 | | | | | | | | | | | |
| | | | | | | | | | | | 7 | -18390002872 | 2298750359 | 8 | | | | | | | | | | |
| | | | | | | | | | | | | 6 | -2298750352 | 287343794 | 8 | | | | | | | | | |
| | | | | | | | | | | | | | 7 | -287343792 | 35917974 | 8 | | | | | | | | |
| | | | | | | | | | | | | | | 2 | -35917968 | 4489746 | 8 | | | | | | | |
| | | | | | | | | | | | | | | | 6 | -4489744 | 561218 | 8 | | | | | | |
| | | | | | | | | | | | | | | | | 2 | -561216 | 70152 | 8 | | | | | |
| | | | | | | | | | | | | | | | | | 2 | -70152 | 8769 | 8 | | | | |
| | | | | | | | | | | | | | | | | | | 0 | -8768 | 1096 | 8 | | | |
| | | | | | | | | | | | | | | | | | | | 1 | -1096 | 137 | 8 | | |
| | | | | | | | | | | | | | | | | | | | | 0 | -136 | 17 | 8 | |
| | | | | | | | | | | | | | | | | | | | | | 1 | -16 | 2 | |
| | | | | | | | | | | | | | | | | | | | | | | 1 | | |
 |
В результате преобразования получилось:
1011001100010101110110010 = 21101022627672470365177778
Окончательный ответ: 1011001100010101110110010 = 21101022627672470365177778