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99131713 = 724713679
BaseRepresentation
bin1011110100010…
…10000101000001
320220112102010221
411322022011001
5200334203323
613500423041
72312414512
oct572120501
9226472127
1099131713
1150a5913a
1229247a81
13176cb525
14d246a09
158a8255d
hex5e8a141

99131713 has 4 divisors (see below), whose sum is σ = 99152640. Its totient is φ = 99110788.

The previous prime is 99131699. The next prime is 99131717. The reversal of 99131713 is 31713199.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-99131713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99131717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408 + ... + 14086.

It is an arithmetic number, because the mean of its divisors is an integer number (24788160).

Almost surely, 299131713 is an apocalyptic number.

It is an amenable number.

99131713 is a deficient number, since it is larger than the sum of its proper divisors (20927).

99131713 is a wasteful number, since it uses less digits than its factorization.

99131713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20926.

The product of its digits is 5103, while the sum is 34.

The square root of 99131713 is about 9956.4909983387. The cubic root of 99131713 is about 462.8115658621.

The spelling of 99131713 in words is "ninety-nine million, one hundred thirty-one thousand, seven hundred thirteen".

Divisors: 1 7247 13679 99131713