Base | Representation |
---|---|
bin | 11111010110000100101100… |
… | …11111111101000111011010 |
3 | 100001001110121222210120222100 |
4 | 33223002112133331013122 |
5 | 33013304332443003102 |
6 | 402333054251104230 |
7 | 20342616031023324 |
oct | 1753022637750732 |
9 | 301043558716870 |
10 | 68928160125402 |
11 | 1aa652a548a146 |
12 | 78928a5442076 |
13 | 2c5cb89082036 |
14 | 13041d8310614 |
15 | 7e7ea638aa1c |
hex | 3eb0967fd1da |
68928160125402 has 12 divisors (see below), whose sum is σ = 149344346938410. Its totient is φ = 22976053375128.
The previous prime is 68928160125283. The next prime is 68928160125481. The reversal of 68928160125402 is 20452106182986.
68928160125402 is a `hidden beast` number, since 6 + 8 + 9 + 2 + 8 + 1 + 601 + 25 + 4 + 0 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 39478338346041 + 29449821779361 = 6283179^2 + 5426769^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1914671114577 + ... + 1914671114612.
Almost surely, 268928160125402 is an apocalyptic number.
68928160125402 is an abundant number, since it is smaller than the sum of its proper divisors (80416186813008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68928160125402 is a wasteful number, since it uses less digits than its factorization.
68928160125402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3829342229197 (or 3829342229194 counting only the distinct ones).
The product of its (nonzero) digits is 3317760, while the sum is 54.
The spelling of 68928160125402 in words is "sixty-eight trillion, nine hundred twenty-eight billion, one hundred sixty million, one hundred twenty-five thousand, four hundred two".
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