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117775239880 = 23511326056469
BaseRepresentation
bin110110110101111110…
…0111000101011001000
3102020222221220002100111
41231223330320223020
53412200430134010
6130034420044104
711336403010204
oct1555374705310
9366887802314
10117775239880
1145a480639a1
121a9aa833634
13b14c2c6a6c
1459b3aa1b04
1530e49e758a
hex1b6bf38ac8

117775239880 has 32 divisors (see below), whose sum is σ = 267339382200. Its totient is φ = 46693190656.

The previous prime is 117775239863. The next prime is 117775239889. The reversal of 117775239880 is 88932577711.

It can be written as a sum of positive squares in 4 ways, for example, as 88212564036 + 29562675844 = 297006^2 + 171938^2 .

It is not an unprimeable number, because it can be changed into a prime (117775239889) 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, 13023715 + ... + 13032754.

Almost surely, 2117775239880 is an apocalyptic number.

117775239880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117775239880 is an abundant number, since it is smaller than the sum of its proper divisors (149564142320).

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

117775239880 is a wasteful number, since it uses less digits than its factorization.

117775239880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26056593 (or 26056589 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 58.

The spelling of 117775239880 in words is "one hundred seventeen billion, seven hundred seventy-five million, two hundred thirty-nine thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 113 226 452 565 904 1130 2260 4520 26056469 52112938 104225876 130282345 208451752 260564690 521129380 1042258760 2944380997 5888761994 11777523988 14721904985 23555047976 29443809970 58887619940 117775239880