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68982162800257 = 732587302408773
BaseRepresentation
bin11111010111101001010010…
…10011110011111010000001
3100001020122000112100201021001
433223310221103303322001
533020200432134102012
6402413545035532001
720346540205133140
oct1753645123637201
9301218015321231
1068982162800257
111aa861975a3043
1278a12568ba001
132c64cb416bb05
141306a7c48d757
157e95b7333357
hex3ebd294f3e81

68982162800257 has 8 divisors (see below), whose sum is σ = 78839177016896. Its totient is φ = 59125753466352.

The previous prime is 68982162800251. The next prime is 68982162800267. The reversal of 68982162800257 is 75200826128986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68982162800257 - 27 = 68982162800129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68982162800251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150976278 + ... + 151432495.

It is an arithmetic number, because the mean of its divisors is an integer number (9854897127112).

Almost surely, 268982162800257 is an apocalyptic number.

It is an amenable number.

68982162800257 is a deficient number, since it is larger than the sum of its proper divisors (9857014216639).

68982162800257 is a wasteful number, since it uses less digits than its factorization.

68982162800257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302441367.

The product of its (nonzero) digits is 46448640, while the sum is 64.

The spelling of 68982162800257 in words is "sixty-eight trillion, nine hundred eighty-two billion, one hundred sixty-two million, eight hundred thousand, two hundred fifty-seven".

Divisors: 1 7 32587 228109 302408773 2116861411 9854594685751 68982162800257