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117950516640 = 25325117979343
BaseRepresentation
bin110110111011001100…
…1100000110110100000
3102021110011201001212100
41231312121200312200
53413030313013030
6130104040530400
711343631564155
oct1556631406640
9367404631770
10117950516640
1146027a9aa20
121aa39480a00
13b179705b18
1459cd08a22c
1531050bb360
hex1b76660da0

117950516640 has 288 divisors, whose sum is σ = 439695599616. Its totient is φ = 28555130880.

The previous prime is 117950516609. The next prime is 117950516657. The reversal of 117950516640 is 46615059711.

117950516640 is a `hidden beast` number, since 1 + 1 + 7 + 95 + 0 + 516 + 6 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12619809 + ... + 12629151.

It is an arithmetic number, because the mean of its divisors is an integer number (1526720832).

Almost surely, 2117950516640 is an apocalyptic number.

117950516640 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 117950516640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219847799808).

117950516640 is an abundant number, since it is smaller than the sum of its proper divisors (321745082976).

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

117950516640 is a wasteful number, since it uses less digits than its factorization.

117950516640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10172 (or 10161 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 117950516640 in words is "one hundred seventeen billion, nine hundred fifty million, five hundred sixteen thousand, six hundred forty".