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712144831799 = 3122972413929
BaseRepresentation
bin10100101110011110010…
…00111100010100110111
32112002011121010202222002
422113033020330110313
543131433034104144
61303053235125515
7102310420123262
oct12271710742467
92462147122862
10712144831799
11255023212575
12b6027a4389b
135220261114b
142667a263cd9
15137d03d614e
hexa5cf23c537

712144831799 has 4 divisors (see below), whose sum is σ = 735117245760. Its totient is φ = 689172417840.

The previous prime is 712144831787. The next prime is 712144831813. The reversal of 712144831799 is 997138441217.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-712144831799 is a prime.

It is a super-2 number, since 2×7121448317992 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712144831199) 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, 11486206934 + ... + 11486206995.

It is an arithmetic number, because the mean of its divisors is an integer number (183779311440).

Almost surely, 2712144831799 is an apocalyptic number.

712144831799 is a deficient number, since it is larger than the sum of its proper divisors (22972413961).

712144831799 is a wasteful number, since it uses less digits than its factorization.

712144831799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22972413960.

The product of its digits is 3048192, while the sum is 56.

The spelling of 712144831799 in words is "seven hundred twelve billion, one hundred forty-four million, eight hundred thirty-one thousand, seven hundred ninety-nine".

Divisors: 1 31 22972413929 712144831799