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131124112 = 2471170751
BaseRepresentation
bin1111101000011…
…00101110010000
3100010201210110121
413310030232100
5232031432422
621002240024
73151352020
oct764145620
9303653417
10131124112
116801a539
1237ab6014
1321220342
14135b3a80
15b7a18c7
hex7d0cb90

131124112 has 20 divisors (see below), whose sum is σ = 290346496. Its totient is φ = 56196000.

The previous prime is 131124107. The next prime is 131124143. The reversal of 131124112 is 211421131.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585264 + ... + 585487.

Almost surely, 2131124112 is an apocalyptic number.

It is an amenable number.

131124112 is an abundant number, since it is smaller than the sum of its proper divisors (159222384).

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

131124112 is a wasteful number, since it uses less digits than its factorization.

131124112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170766 (or 1170760 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 131124112 is about 11450.9437165676. The cubic root of 131124112 is about 508.0356475698.

Adding to 131124112 its reverse (211421131), we get a palindrome (342545243).

The spelling of 131124112 in words is "one hundred thirty-one million, one hundred twenty-four thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 1170751 2341502 4683004 8195257 9366008 16390514 18732016 32781028 65562056 131124112