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15710134661 = 131208471897
BaseRepresentation
bin11101010000110010…
…11010000110000101
31111112212101112022022
432220121122012011
5224133243302121
611114522412525
71064211640604
oct165031320605
944485345268
1015710134661
116731a63771
123065361145
1316349c6390
14a90679a3b
1561e339aab
hex3a865a185

15710134661 has 4 divisors (see below), whose sum is σ = 16918606572. Its totient is φ = 14501662752.

The previous prime is 15710134633. The next prime is 15710134669. The reversal of 15710134661 is 16643101751.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4960384900 + 10749749761 = 70430^2 + 103681^2 .

It is a cyclic number.

It is not a de Polignac number, because 15710134661 - 26 = 15710134597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15710134669) 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, 604235936 + ... + 604235961.

It is an arithmetic number, because the mean of its divisors is an integer number (4229651643).

Almost surely, 215710134661 is an apocalyptic number.

It is an amenable number.

15710134661 is a deficient number, since it is larger than the sum of its proper divisors (1208471911).

15710134661 is a wasteful number, since it uses less digits than its factorization.

15710134661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208471910.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 15710134661 in words is "fifteen billion, seven hundred ten million, one hundred thirty-four thousand, six hundred sixty-one".

Divisors: 1 13 1208471897 15710134661