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117907308975 = 3522954210257
BaseRepresentation
bin110110111001111010…
…0101100000110101111
3102021100011101220002110
41231303310230012233
53412433232341400
6130055454455103
711342565406251
oct1556364540657
9367304356073
10117907308975
1146005669405
121aa26b04493
13b170788261
1459c743dcd1
1531013d3e50
hex1b73d2c1af

117907308975 has 24 divisors (see below), whose sum is σ = 201662159760. Its totient is φ = 60715486720.

The previous prime is 117907308947. The next prime is 117907308983. The reversal of 117907308975 is 579803709711.

It is a happy number.

It is not a de Polignac number, because 117907308975 - 28 = 117907308719 is a prime.

It is a super-2 number, since 2×1179073089752 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27102954 + ... + 27107303.

It is an arithmetic number, because the mean of its divisors is an integer number (8402589990).

Almost surely, 2117907308975 is an apocalyptic number.

117907308975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117907308975 is a deficient number, since it is larger than the sum of its proper divisors (83754850785).

117907308975 is a wasteful number, since it uses less digits than its factorization.

117907308975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54210299 (or 54210294 counting only the distinct ones).

The product of its (nonzero) digits is 3333960, while the sum is 57.

The spelling of 117907308975 in words is "one hundred seventeen billion, nine hundred seven million, three hundred eight thousand, nine hundred seventy-five".

Divisors: 1 3 5 15 25 29 75 87 145 435 725 2175 54210257 162630771 271051285 813153855 1355256425 1572097453 4065769275 4716292359 7860487265 23581461795 39302436325 117907308975