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56968918872 = 2337349322997
BaseRepresentation
bin110101000011100111…
…001011011101011000
312110001021001221010020
4311003213023131120
51413133020400442
642100545350440
74054512551325
oct650347133530
9173037057106
1056968918872
1122184518a38
12b05a938420
1354ab7b2868
142a860b9b4c
1517365be9ec
hexd439cb758

56968918872 has 32 divisors (see below), whose sum is σ = 142442118000. Its totient is φ = 18986996864.

The previous prime is 56968918871. The next prime is 56968918889. The reversal of 56968918872 is 27881986965.

It is a junction number, because it is equal to n+sod(n) for n = 56968918797 and 56968918806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56968918871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14878 + ... + 337874.

Almost surely, 256968918872 is an apocalyptic number.

It is an amenable number.

56968918872 is an abundant number, since it is smaller than the sum of its proper divisors (85473199128).

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

56968918872 is a wasteful number, since it uses less digits than its factorization.

56968918872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330355 (or 330351 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 69.

The spelling of 56968918872 in words is "fifty-six billion, nine hundred sixty-eight million, nine hundred eighteen thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 7349 14698 22047 29396 44094 58792 88188 176376 322997 645994 968991 1291988 1937982 2583976 3875964 7751928 2373704953 4747409906 7121114859 9494819812 14242229718 18989639624 28484459436 56968918872