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56379664540 = 2252818983227
BaseRepresentation
bin110100100000011111…
…010110100010011100
312101112012021201010201
4310200133112202130
51410431143231130
641522255513244
74034066145553
oct644037264234
9171465251121
1056379664540
1121a0193a491
12ab15528824
1354166aa064
142a2bb2cd9a
1516ee9c5bca
hexd207d689c

56379664540 has 12 divisors (see below), whose sum is σ = 118397295576. Its totient is φ = 22551865808.

The previous prime is 56379664513. The next prime is 56379664559. The reversal of 56379664540 is 4546697365.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1409491594 + ... + 1409491633.

It is an arithmetic number, because the mean of its divisors is an integer number (9866441298).

Almost surely, 256379664540 is an apocalyptic number.

It is an amenable number.

56379664540 is an abundant number, since it is smaller than the sum of its proper divisors (62017631036).

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

56379664540 is a wasteful number, since it uses less digits than its factorization.

56379664540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818983236 (or 2818983234 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 55.

The spelling of 56379664540 in words is "fifty-six billion, three hundred seventy-nine million, six hundred sixty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 2818983227 5637966454 11275932908 14094916135 28189832270 56379664540