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131501073 = 31115672543
BaseRepresentation
bin1111101011010…
…00110000010001
3100011102221120010
413311220300101
5232131013243
621014305133
73154512024
oct765506021
9304387503
10131501073
1168257780
12380581a9
1321322ab2
14136711bb
15b828433
hex7d68c11

131501073 has 16 divisors (see below), whose sum is σ = 191471616. Its totient is φ = 79615440.

The previous prime is 131501053. The next prime is 131501077. The reversal of 131501073 is 370105131.

It is a de Polignac number, because none of the positive numbers 2k-131501073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131501077) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 50440 + ... + 52982.

It is an arithmetic number, because the mean of its divisors is an integer number (11966976).

Almost surely, 2131501073 is an apocalyptic number.

It is an amenable number.

131501073 is a deficient number, since it is larger than the sum of its proper divisors (59970543).

131501073 is a wasteful number, since it uses less digits than its factorization.

131501073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 131501073 is about 11467.3917261076. The cubic root of 131501073 is about 508.5220223879.

The spelling of 131501073 in words is "one hundred thirty-one million, five hundred one thousand, seventy-three".

Divisors: 1 3 11 33 1567 2543 4701 7629 17237 27973 51711 83919 3984881 11954643 43833691 131501073