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56671357240 = 2354871290861
BaseRepresentation
bin110100110001111000…
…000100100100111000
312102021112011020022001
4310301320010210320
51412030331412430
642011235510344
74044240405601
oct646170044470
9172245136261
1056671357240
112204155a533
12ab971583b4
135461c598a4
142a5877cda8
15171a3e33ca
hexd31e04938

56671357240 has 32 divisors (see below), whose sum is σ = 127537169760. Its totient is φ = 22663811200.

The previous prime is 56671357217. The next prime is 56671357279. The reversal of 56671357240 is 4275317665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49410 + ... + 340270.

It is an arithmetic number, because the mean of its divisors is an integer number (3985536555).

Almost surely, 256671357240 is an apocalyptic number.

It is an amenable number.

56671357240 is an abundant number, since it is smaller than the sum of its proper divisors (70865812520).

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

56671357240 is a wasteful number, since it uses less digits than its factorization.

56671357240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295743 (or 295739 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 56671357240 in words is "fifty-six billion, six hundred seventy-one million, three hundred fifty-seven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 4871 9742 19484 24355 38968 48710 97420 194840 290861 581722 1163444 1454305 2326888 2908610 5817220 11634440 1416783931 2833567862 5667135724 7083919655 11334271448 14167839310 28335678620 56671357240