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113106931 = 729219213
BaseRepresentation
bin1101011110111…
…01111111110011
321212211102112121
412233131333303
5212423410211
615120135111
72542251550
oct657357763
9255742477
10113106931
1158933a03
1231a67497
131a5825a2
1411043a27
159de3271
hex6bddff3

113106931 has 12 divisors (see below), whose sum is σ = 133883152. Its totient is φ = 93600864.

The previous prime is 113106913. The next prime is 113106937. The reversal of 113106931 is 139601311.

It is a happy number.

It is not a de Polignac number, because 113106931 - 27 = 113106803 is a prime.

It is a super-2 number, since 2×1131069312 = 25586355680477522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113106896 and 113106905.

It is not an unprimeable number, because it can be changed into a prime (113106937) 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, 3720 + ... + 15493.

Almost surely, 2113106931 is an apocalyptic number.

113106931 is a deficient number, since it is larger than the sum of its proper divisors (20776221).

113106931 is an equidigital number, since it uses as much as digits as its factorization.

113106931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19278 (or 19249 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 113106931 is about 10635.1742345859. The cubic root of 113106931 is about 483.6112623753.

The spelling of 113106931 in words is "one hundred thirteen million, one hundred six thousand, nine hundred thirty-one".

Divisors: 1 7 29 203 841 5887 19213 134491 557177 3900239 16158133 113106931