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68928160125402 = 2323829342229189
BaseRepresentation
bin11111010110000100101100…
…11111111101000111011010
3100001001110121222210120222100
433223002112133331013122
533013304332443003102
6402333054251104230
720342616031023324
oct1753022637750732
9301043558716870
1068928160125402
111aa652a548a146
1278928a5442076
132c5cb89082036
1413041d8310614
157e7ea638aa1c
hex3eb0967fd1da

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".

Divisors: 1 2 3 6 9 18 3829342229189 7658684458378 11488026687567 22976053375134 34464080062701 68928160125402