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131152015 = 526230403
BaseRepresentation
bin1111101000100…
…11100010001111
3100010210012202001
413310103202033
5232033331030
621003013131
73151526251
oct764234217
9303705661
10131152015
11680394a5
1237b0a1a7
132122cc57
14135bdcd1
15b7a9cca
hex7d1388f

131152015 has 4 divisors (see below), whose sum is σ = 157382424. Its totient is φ = 104921608.

The previous prime is 131152009. The next prime is 131152033. The reversal of 131152015 is 510251131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131152015 - 27 = 131151887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131151983 and 131152001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13115197 + ... + 13115206.

It is an arithmetic number, because the mean of its divisors is an integer number (39345606).

Almost surely, 2131152015 is an apocalyptic number.

131152015 is a deficient number, since it is larger than the sum of its proper divisors (26230409).

131152015 is an equidigital number, since it uses as much as digits as its factorization.

131152015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26230408.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 131152015 is about 11452.1620229544. The cubic root of 131152015 is about 508.0716814033.

The spelling of 131152015 in words is "one hundred thirty-one million, one hundred fifty-two thousand, fifteen".

Divisors: 1 5 26230403 131152015