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712710830861 is a prime number
BaseRepresentation
bin10100101111100001110…
…00000011101100001101
32112010122001011111201022
422113300320003230031
543134112433041421
61303225334323525
7102330432051311
oct12276070035415
92463561144638
10712710830861
11255293757a97
12b61654b95a5
1352292963933
14266d14b9b41
1513814e397ab
hexa5f0e03b0d

712710830861 has 2 divisors, whose sum is σ = 712710830862. Its totient is φ = 712710830860.

The previous prime is 712710830813. The next prime is 712710830903. The reversal of 712710830861 is 168038017217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 608579413225 + 104131417636 = 780115^2 + 322694^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-712710830861 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712710830261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356355415430 + 356355415431.

It is an arithmetic number, because the mean of its divisors is an integer number (356355415431).

Almost surely, 2712710830861 is an apocalyptic number.

It is an amenable number.

712710830861 is a deficient number, since it is larger than the sum of its proper divisors (1).

712710830861 is an equidigital number, since it uses as much as digits as its factorization.

712710830861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 712710830861 in words is "seven hundred twelve billion, seven hundred ten million, eight hundred thirty thousand, eight hundred sixty-one".