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117012939 = 347217657
BaseRepresentation
bin1101111100101…
…11100111001011
322011011212120120
412332113213023
5214423403224
615335554323
72620410411
oct676274713
9264155516
10117012939
116006160a
123322b9a3
131b31c434
141177d2b1
15a415779
hex6f979cb

117012939 has 12 divisors (see below), whose sum is σ = 159416424. Its totient is φ = 76344544.

The previous prime is 117012913. The next prime is 117012967. The reversal of 117012939 is 939210711.

It is not a de Polignac number, because 117012939 - 211 = 117010891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117012979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2202 + ... + 15455.

It is an arithmetic number, because the mean of its divisors is an integer number (13284702).

Almost surely, 2117012939 is an apocalyptic number.

117012939 is a deficient number, since it is larger than the sum of its proper divisors (42403485).

117012939 is an equidigital number, since it uses as much as digits as its factorization.

117012939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17754 (or 17707 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 117012939 is about 10817.2519153434. The cubic root of 117012939 is about 489.1153537022.

The spelling of 117012939 in words is "one hundred seventeen million, twelve thousand, nine hundred thirty-nine".

Divisors: 1 3 47 141 2209 6627 17657 52971 829879 2489637 39004313 117012939