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131110075 = 525321867
BaseRepresentation
bin1111101000010…
…01010010111011
3100010201002012201
413310021102323
5232031010300
621002051031
73151263055
oct764112273
9303632181
10131110075
116800aa38
1237aa9a77
1321216b35
14135ac8d5
15b79c66a
hex7d094bb

131110075 has 18 divisors (see below), whose sum is σ = 165790604. Its totient is φ = 102853920.

The previous prime is 131110061. The next prime is 131110081. The reversal of 131110075 is 570011131.

It is not a de Polignac number, because 131110075 - 25 = 131110043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 69292 + ... + 71158.

Almost surely, 2131110075 is an apocalyptic number.

131110075 is a deficient number, since it is larger than the sum of its proper divisors (34680529).

131110075 is an equidigital number, since it uses as much as digits as its factorization.

131110075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983 (or 1925 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 19.

The square root of 131110075 is about 11450.3307812482. The cubic root of 131110075 is about 508.0175183059.

The spelling of 131110075 in words is "one hundred thirty-one million, one hundred ten thousand, seventy-five".

Divisors: 1 5 25 53 265 1325 1867 2809 9335 14045 46675 70225 98951 494755 2473775 5244403 26222015 131110075