Base | Representation |
---|---|
bin | 11111000111001001110000… |
… | …01000101100111010011000 |
3 | 22222020110022010220121002120 |
4 | 33203210320020230322120 |
5 | 32431404343310110232 |
6 | 401301345152101240 |
7 | 20260566161503443 |
oct | 1743447010547230 |
9 | 288213263817076 |
10 | 68415475863192 |
11 | 1a88792759a817 |
12 | 780b464534820 |
13 | 2c237230b0783 |
14 | 12c748067065a |
15 | 7d999bdc292c |
hex | 3e393822ce98 |
68415475863192 has 32 divisors (see below), whose sum is σ = 171042221101680. Its totient is φ = 22804687761920.
The previous prime is 68415475863127. The next prime is 68415475863209. The reversal of 68415475863192 is 29136857451486.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28241109 + ... + 30567812.
Almost surely, 268415475863192 is an apocalyptic number.
It is an amenable number.
68415475863192 is an abundant number, since it is smaller than the sum of its proper divisors (102626745238488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68415475863192 is a wasteful number, since it uses less digits than its factorization.
68415475863192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58857403 (or 58857399 counting only the distinct ones).
The product of its digits is 348364800, while the sum is 69.
The spelling of 68415475863192 in words is "sixty-eight trillion, four hundred fifteen billion, four hundred seventy-five million, eight hundred sixty-three thousand, one hundred ninety-two".
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