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56804855712 = 253111929233419
BaseRepresentation
bin110100111001110101…
…010100111110100000
312102121211100122202220
4310321311110332200
51412314020340322
642032405111040
74050451210143
oct647165247640
9172554318686
1056804855712
11220aa950950
12b0139b8480
1354837cb877
142a6c3b005a
151726eb355c
hexd39d54fa0

56804855712 has 384 divisors, whose sum is σ = 178319232000. Its totient is φ = 15640289280.

The previous prime is 56804855699. The next prime is 56804855749. The reversal of 56804855712 is 21755840865.

It is a super-2 number, since 2×568048557122 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 135572239 + ... + 135572657.

It is an arithmetic number, because the mean of its divisors is an integer number (464373000).

Almost surely, 256804855712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56804855712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89159616000).

56804855712 is an abundant number, since it is smaller than the sum of its proper divisors (121514376288).

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

56804855712 is a wasteful number, since it uses less digits than its factorization.

56804855712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 51.

The spelling of 56804855712 in words is "fifty-six billion, eight hundred four million, eight hundred fifty-five thousand, seven hundred twelve".