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56875680517 = 7915728116319
BaseRepresentation
bin110100111110000011…
…100000001100000101
312102210202121221010211
4310332003200030011
51412440133234032
642043415115421
74052301210355
oct647603401405
9172722557124
1056875680517
1122136925647
12b033672b71
135495398936
142a77968b65
15172d303747
hexd3e0e0305

56875680517 has 16 divisors (see below), whose sum is σ = 58172313600. Its totient is φ = 55596078720.

The previous prime is 56875680497. The next prime is 56875680523. The reversal of 56875680517 is 71508657865.

It is a cyclic number.

It is not a de Polignac number, because 56875680517 - 231 = 54728196869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56875681517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3477084 + ... + 3493402.

It is an arithmetic number, because the mean of its divisors is an integer number (3635769600).

Almost surely, 256875680517 is an apocalyptic number.

It is an amenable number.

56875680517 is a deficient number, since it is larger than the sum of its proper divisors (1296633083).

56875680517 is a wasteful number, since it uses less digits than its factorization.

56875680517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16836.

The product of its (nonzero) digits is 14112000, while the sum is 58.

The spelling of 56875680517 in words is "fifty-six billion, eight hundred seventy-five million, six hundred eighty thousand, five hundred seventeen".

Divisors: 1 79 157 281 12403 16319 22199 44117 1289201 2562083 3485243 4585639 202404557 362265481 719945323 56875680517