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56560212040 = 2351822977569
BaseRepresentation
bin110100101011010000…
…000101100001001000
312101222210000110202011
4310223100011201020
51411313403241130
641552225345304
74041420604243
oct645320054110
9171883013664
1056560212040
1121a948464a2
12ab65a98234
135444c131b7
142a47aca25a
15171078b52a
hexd2b405848

56560212040 has 32 divisors (see below), whose sum is σ = 127269099000. Its totient is φ = 22622552064.

The previous prime is 56560212001. The next prime is 56560212041. The reversal of 56560212040 is 4021206565.

It can be written as a sum of positive squares in 4 ways, for example, as 55916169156 + 644042884 = 236466^2 + 25378^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56560211993 and 56560212011.

It is not an unprimeable number, because it can be changed into a prime (56560212041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690376 + ... + 767944.

Almost surely, 256560212040 is an apocalyptic number.

It is an amenable number.

56560212040 is an abundant number, since it is smaller than the sum of its proper divisors (70708886960).

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

56560212040 is a wasteful number, since it uses less digits than its factorization.

56560212040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95809 (or 95805 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 56560212040 in words is "fifty-six billion, five hundred sixty million, two hundred twelve thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 18229 36458 72916 77569 91145 145832 155138 182290 310276 364580 387845 620552 729160 775690 1551380 3102760 1414005301 2828010602 5656021204 7070026505 11312042408 14140053010 28280106020 56560212040