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5681308056 = 233236721169
BaseRepresentation
bin1010100101010000…
…11110000110011000
3112122221101100111220
411102220132012120
543113403324211
62335430052040
7260534215224
oct52250360630
915587340456
105681308056
112455a4a916
1211267aa020
136c7055058
143bc771784
15233b85806
hex152a1e198

5681308056 has 16 divisors (see below), whose sum is σ = 14203270200. Its totient is φ = 1893769344.

The previous prime is 5681308007. The next prime is 5681308091. The reversal of 5681308056 is 6508031865.

It is a super-2 number, since 2×56813080562 = 64554522454340998272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5681307999 and 5681308017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118360561 + ... + 118360608.

Almost surely, 25681308056 is an apocalyptic number.

It is an amenable number.

5681308056 is an abundant number, since it is smaller than the sum of its proper divisors (8521962144).

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

5681308056 is a wasteful number, since it uses less digits than its factorization.

5681308056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236721178 (or 236721174 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 5681308056 is about 75374.4522766169. The cubic root of 5681308056 is about 1784.3612343034.

The spelling of 5681308056 in words is "five billion, six hundred eighty-one million, three hundred eight thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 24 236721169 473442338 710163507 946884676 1420327014 1893769352 2840654028 5681308056