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12715606693 is a prime number
BaseRepresentation
bin10111101011110100…
…01100001010100101
31012211011122202012001
423311322030022211
5202020143403233
65501431325301
7630050605426
oct136572141245
935734582161
1012715606693
1154356a0569
12256a520831
1312784a973a
14888a9964d
154e64c727d
hex2f5e8c2a5

12715606693 has 2 divisors, whose sum is σ = 12715606694. Its totient is φ = 12715606692.

The previous prime is 12715606633. The next prime is 12715606699. The reversal of 12715606693 is 39660651721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12262683169 + 452923524 = 110737^2 + 21282^2 .

It is a cyclic number.

It is not a de Polignac number, because 12715606693 - 225 = 12682052261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12715606699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6357803346 + 6357803347.

It is an arithmetic number, because the mean of its divisors is an integer number (6357803347).

Almost surely, 212715606693 is an apocalyptic number.

It is an amenable number.

12715606693 is a deficient number, since it is larger than the sum of its proper divisors (1).

12715606693 is an equidigital number, since it uses as much as digits as its factorization.

12715606693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 12715606693 in words is "twelve billion, seven hundred fifteen million, six hundred six thousand, six hundred ninety-three".