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56987017374 = 2378915245323
BaseRepresentation
bin110101000100101100…
…001110000010011110
312110002112010102121010
4311010230032002132
51413202134023444
642102433320050
74055122440540
oct650454160236
9173075112533
1056987017374
112219375a681
12b064a06026
1354b247b631
142a8866b690
151737e972b9
hexd44b0e09e

56987017374 has 32 divisors (see below), whose sum is σ = 131719599360. Its totient is φ = 16099060032.

The previous prime is 56987017343. The next prime is 56987017411. The reversal of 56987017374 is 47371078965.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7618924 + ... + 7626399.

It is an arithmetic number, because the mean of its divisors is an integer number (4116237480).

Almost surely, 256987017374 is an apocalyptic number.

56987017374 is an abundant number, since it is smaller than the sum of its proper divisors (74732581986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56987017374 is a wasteful number, since it uses less digits than its factorization.

56987017374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15245424.

The product of its (nonzero) digits is 8890560, while the sum is 57.

It can be divided in two parts, 5698701 and 7374, that added together give a palindrome (5706075).

The spelling of 56987017374 in words is "fifty-six billion, nine hundred eighty-seven million, seventeen thousand, three hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 89 178 267 534 623 1246 1869 3738 15245323 30490646 45735969 91471938 106717261 213434522 320151783 640303566 1356833747 2713667494 4070501241 8141002482 9497836229 18995672458 28493508687 56987017374