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56652165631 = 101560912531
BaseRepresentation
bin110100110000101110…
…110111000111111111
312102020012001012100201
4310300232313013333
51412010423300011
642005312304331
74043615314435
oct646056670777
9172205035321
1056652165631
11220317415a6
12ab908420a7
13545ac9a3c9
142a55dc4d55
1517188a1cc1
hexd30bb71ff

56652165631 has 4 divisors (see below), whose sum is σ = 57213078264. Its totient is φ = 56091253000.

The previous prime is 56652165611. The next prime is 56652165653. The reversal of 56652165631 is 13656125665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56652165631 - 231 = 54504681983 is a prime.

It is a super-2 number, since 2×566521656312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56652165601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280456165 + ... + 280456366.

It is an arithmetic number, because the mean of its divisors is an integer number (14303269566).

Almost surely, 256652165631 is an apocalyptic number.

56652165631 is a deficient number, since it is larger than the sum of its proper divisors (560912633).

56652165631 is a wasteful number, since it uses less digits than its factorization.

56652165631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560912632.

The product of its digits is 972000, while the sum is 46.

The spelling of 56652165631 in words is "fifty-six billion, six hundred fifty-two million, one hundred sixty-five thousand, six hundred thirty-one".

Divisors: 1 101 560912531 56652165631