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56885662531 = 174683171453
BaseRepresentation
bin110100111110101001…
…100101001101000011
312102211110102001220001
4310332221211031003
51413000212200111
642044413100431
74052452103425
oct647651451503
9172743361801
1056885662531
1122141523245
12b036a87717
135497482259
142a79006815
15172e1261c1
hexd3ea65343

56885662531 has 8 divisors (see below), whose sum is σ = 60234007104. Its totient is φ = 53537554560.

The previous prime is 56885662529. The next prime is 56885662591. The reversal of 56885662531 is 13526658865.

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 56885662531 - 21 = 56885662529 is a prime.

It is a super-2 number, since 2×568856625312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56885662591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760401 + ... + 831853.

It is an arithmetic number, because the mean of its divisors is an integer number (7529250888).

Almost surely, 256885662531 is an apocalyptic number.

56885662531 is a deficient number, since it is larger than the sum of its proper divisors (3348344573).

56885662531 is a wasteful number, since it uses less digits than its factorization.

56885662531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118301.

The product of its digits is 10368000, while the sum is 55.

The spelling of 56885662531 in words is "fifty-six billion, eight hundred eighty-five million, six hundred sixty-two thousand, five hundred thirty-one".

Divisors: 1 17 46831 71453 796127 1214701 3346215443 56885662531