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56888740812 = 22334913583749
BaseRepresentation
bin110100111110110101…
…010100101111001100
312102211200012110111110
4310332311110233030
51413002004201222
642045003052020
74052520214131
oct647665245714
9172750173443
1056888740812
1122143235a82
12b037b11010
135497cbc417
142a795a8588
15172e53330c
hexd3ed54bcc

56888740812 has 24 divisors (see below), whose sum is σ = 133120750000. Its totient is φ = 18908577216.

The previous prime is 56888740763. The next prime is 56888740813. The reversal of 56888740812 is 21804788865.

It is not an unprimeable number, because it can be changed into a prime (56888740813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6787687 + ... + 6796062.

Almost surely, 256888740812 is an apocalyptic number.

It is an amenable number.

56888740812 is an abundant number, since it is smaller than the sum of its proper divisors (76232009188).

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

56888740812 is a wasteful number, since it uses less digits than its factorization.

56888740812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13584105 (or 13584103 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 57.

The spelling of 56888740812 in words is "fifty-six billion, eight hundred eighty-eight million, seven hundred forty thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 349 698 1047 1396 2094 4188 13583749 27167498 40751247 54334996 81502494 163004988 4740728401 9481456802 14222185203 18962913604 28444370406 56888740812