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5168812872 = 2331712668659
BaseRepresentation
bin1001101000001010…
…11101001101001000
3111100020000220021210
410310011131031020
541041204002442
62212521333120
7242042120166
oct46405351510
914306026253
105168812872
112212729683
1210030371a0
13644b16772
14370686236
15203ba019c
hex13415d348

5168812872 has 32 divisors (see below), whose sum is σ = 13682152800. Its totient is φ = 1621588224.

The previous prime is 5168812853. The next prime is 5168812879. The reversal of 5168812872 is 2782188615.

It is not an unprimeable number, because it can be changed into a prime (5168812879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6333922 + ... + 6334737.

It is an arithmetic number, because the mean of its divisors is an integer number (427567275).

Almost surely, 25168812872 is an apocalyptic number.

It is an amenable number.

5168812872 is an abundant number, since it is smaller than the sum of its proper divisors (8513339928).

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

5168812872 is a wasteful number, since it uses less digits than its factorization.

5168812872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12668685 (or 12668681 counting only the distinct ones).

The product of its digits is 430080, while the sum is 48.

The square root of 5168812872 is about 71894.4564761429. The cubic root of 5168812872 is about 1729.0077364173.

The spelling of 5168812872 in words is "five billion, one hundred sixty-eight million, eight hundred twelve thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 12668659 25337318 38005977 50674636 76011954 101349272 152023908 215367203 304047816 430734406 646101609 861468812 1292203218 1722937624 2584406436 5168812872