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56950852839 = 3171279873091
BaseRepresentation
bin110101000010100010…
…010000110011100111
312110000000002002011220
4311002202100303213
51413113404242324
642055102231423
74054203155556
oct650242206347
9173000062156
1056950852839
11221752a9731
12b054885573
1354a7b287ba
142a83935d9d
151734c01b79
hexd42890ce7

56950852839 has 16 divisors (see below), whose sum is σ = 80464158720. Its totient is φ = 35705888640.

The previous prime is 56950852823. The next prime is 56950852883. The reversal of 56950852839 is 93825805965.

It is not a de Polignac number, because 56950852839 - 24 = 56950852823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56950852939) 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, 371317 + ... + 501774.

It is an arithmetic number, because the mean of its divisors is an integer number (5029009920).

Almost surely, 256950852839 is an apocalyptic number.

56950852839 is a deficient number, since it is larger than the sum of its proper divisors (23513305881).

56950852839 is a wasteful number, since it uses less digits than its factorization.

56950852839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874390.

The product of its (nonzero) digits is 23328000, while the sum is 60.

The spelling of 56950852839 in words is "fifty-six billion, nine hundred fifty million, eight hundred fifty-two thousand, eight hundred thirty-nine".

Divisors: 1 3 17 51 1279 3837 21743 65229 873091 2619273 14842547 44527641 1116683389 3350050167 18983617613 56950852839