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113687123 = 1121735431
BaseRepresentation
bin1101100011010…
…11101001010011
321220220220102012
412301223221103
5213100441443
615140413135
72550216224
oct661535123
9256826365
10113687123
115919a900
12320a71ab
131a7266b4
141115524b
159eaa118
hex6c6ba53

113687123 has 12 divisors (see below), whose sum is σ = 125707344. Its totient is φ = 102735600.

The previous prime is 113687107. The next prime is 113687191. The reversal of 113687123 is 321786311.

It is not a de Polignac number, because 113687123 - 24 = 113687107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113687123.

It is not an unprimeable number, because it can be changed into a prime (113687023) 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, 18218 + ... + 23648.

It is an arithmetic number, because the mean of its divisors is an integer number (10475612).

Almost surely, 2113687123 is an apocalyptic number.

113687123 is a deficient number, since it is larger than the sum of its proper divisors (12020221).

113687123 is a wasteful number, since it uses less digits than its factorization.

113687123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5626 (or 5615 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 113687123 is about 10662.4163771633. The cubic root of 113687123 is about 484.4367613955.

The spelling of 113687123 in words is "one hundred thirteen million, six hundred eighty-seven thousand, one hundred twenty-three".

Divisors: 1 11 121 173 1903 5431 20933 59741 657151 939563 10335193 113687123