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107861713 = 109989557
BaseRepresentation
bin1100110110111…
…01011011010001
321111221221110021
412123131123101
5210103033323
614411503441
72446544431
oct633353321
9244857407
10107861713
1155981113
1230157b81
1319466ccb
141047a2c1
15970905d
hex66dd6d1

107861713 has 4 divisors (see below), whose sum is σ = 108851380. Its totient is φ = 106872048.

The previous prime is 107861659. The next prime is 107861749. The reversal of 107861713 is 317168701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 317168701 = 1492128649.

It can be written as a sum of positive squares in 2 ways, for example, as 96491329 + 11370384 = 9823^2 + 3372^2 .

It is a cyclic number.

It is not a de Polignac number, because 107861713 - 225 = 74307281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107861773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494670 + ... + 494887.

It is an arithmetic number, because the mean of its divisors is an integer number (27212845).

Almost surely, 2107861713 is an apocalyptic number.

It is an amenable number.

107861713 is a deficient number, since it is larger than the sum of its proper divisors (989667).

107861713 is an equidigital number, since it uses as much as digits as its factorization.

107861713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989666.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 107861713 is about 10385.6493778675. The cubic root of 107861713 is about 476.0169723605.

The spelling of 107861713 in words is "one hundred seven million, eight hundred sixty-one thousand, seven hundred thirteen".

Divisors: 1 109 989557 107861713