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56648853810 = 2325629431709
BaseRepresentation
bin110100110000100010…
…001110100100110010
312102012221210221101200
4310300202032210302
51412004101310220
642005113312030
74043545212123
oct646042164462
9172187727350
1056648853810
112202a88a35a
12ab8b705616
13545a3aab53
142a557a204a
15171844a890
hexd3088e932

56648853810 has 24 divisors (see below), whose sum is σ = 147287020140. Its totient is φ = 15106360992.

The previous prime is 56648853803. The next prime is 56648853871. The reversal of 56648853810 is 1835884665.

56648853810 is a `hidden beast` number, since 5 + 66 + 48 + 8 + 538 + 1 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 51927927129 + 4720926681 = 227877^2 + 68709^2 .

It is a super-2 number, since 2×566488538102 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 314715765 + ... + 314715944.

Almost surely, 256648853810 is an apocalyptic number.

56648853810 is an abundant number, since it is smaller than the sum of its proper divisors (90638166330).

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

56648853810 is a wasteful number, since it uses less digits than its factorization.

56648853810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629431722 (or 629431719 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 56648853810 in words is "fifty-six billion, six hundred forty-eight million, eight hundred fifty-three thousand, eight hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 629431709 1258863418 1888295127 3147158545 3776590254 5664885381 6294317090 9441475635 11329770762 18882951270 28324426905 56648853810