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117901875840 = 2735746318947
BaseRepresentation
bin110110111001101111…
…1111101101010000000
3102021022210011212020020
41231303133331222000
53412430340011330
6130055142213440
711342501260230
oct1556337755200
9367283155206
10117901875840
1146002598411
121aa25124280
13b16c605298
1459c6827cc0
153100bae210
hex1b737fda80

117901875840 has 256 divisors, whose sum is σ = 430450053120. Its totient is φ = 26889375744.

The previous prime is 117901875781. The next prime is 117901875841. The reversal of 117901875840 is 48578109711.

It is not an unprimeable number, because it can be changed into a prime (117901875841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6213247 + ... + 6232193.

It is an arithmetic number, because the mean of its divisors is an integer number (1681445520).

Almost surely, 2117901875840 is an apocalyptic number.

117901875840 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 117901875840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215225026560).

117901875840 is an abundant number, since it is smaller than the sum of its proper divisors (312548177280).

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

117901875840 is a wasteful number, since it uses less digits than its factorization.

117901875840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19439 (or 19427 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 51.

The spelling of 117901875840 in words is "one hundred seventeen billion, nine hundred one million, eight hundred seventy-five thousand, eight hundred forty".