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117081866880 = 273351117191907
BaseRepresentation
bin110110100001010011…
…1111000001010000000
3102012012122012002102000
41231002213320022000
53404240424220010
6125441530424000
711313253306446
oct1550247701200
9365178162360
10117081866880
1145721730560
121a836592000
13b06b767b94
145949970b96
1530a3bd37c0
hex1b429f8280

117081866880 has 1024 divisors, whose sum is σ = 504444672000. Its totient is φ = 25294602240.

The previous prime is 117081866819. The next prime is 117081866911. The reversal of 117081866880 is 88668180711.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 61394887 + ... + 61396793.

It is an arithmetic number, because the mean of its divisors is an integer number (492621750).

Almost surely, 2117081866880 is an apocalyptic number.

117081866880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117081866880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252222336000).

117081866880 is an abundant number, since it is smaller than the sum of its proper divisors (387362805120).

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

117081866880 is a wasteful number, since it uses less digits than its factorization.

117081866880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982 (or 1964 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 54.

The spelling of 117081866880 in words is "one hundred seventeen billion, eighty-one million, eight hundred sixty-six thousand, eight hundred eighty".