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131125104 = 24321182781
BaseRepresentation
bin1111101000011…
…00111101110000
3100010201211211100
413310030331300
5232032000404
621002244400
73151354635
oct764147560
9303654740
10131125104
1168020260
1237ab6700
1321220926
14135b418c
15b7a1d39
hex7d0cf70

131125104 has 60 divisors (see below), whose sum is σ = 400333752. Its totient is φ = 39734400.

The previous prime is 131125091. The next prime is 131125117. The reversal of 131125104 is 401521131.

It is an interprime number because it is at equal distance from previous prime (131125091) and next prime (131125117).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39807 + ... + 42974.

Almost surely, 2131125104 is an apocalyptic number.

It is an amenable number.

131125104 is an abundant number, since it is smaller than the sum of its proper divisors (269208648).

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

131125104 is a wasteful number, since it uses less digits than its factorization.

131125104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82806 (or 82797 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 131125104 is about 11450.9870316929. The cubic root of 131125104 is about 508.0369287226.

Adding to 131125104 its reverse (401521131), we get a palindrome (532646235).

The spelling of 131125104 in words is "one hundred thirty-one million, one hundred twenty-five thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 66 72 88 99 132 144 176 198 264 396 528 792 1584 82781 165562 248343 331124 496686 662248 745029 910591 993372 1324496 1490058 1821182 1986744 2731773 2980116 3642364 3973488 5463546 5960232 7284728 8195319 10927092 11920464 14569456 16390638 21854184 32781276 43708368 65562552 131125104