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12710458680 = 2335176230617
BaseRepresentation
bin10111101011001101…
…00011010100111000
31012210210222012102220
423311212203110320
5202012334134210
65501125124040
7626656054563
oct136546432470
935723865386
1012710458680
1154327a4807
122568859620
1312773c648a
148881194da
154e5d0bc70
hex2f59a3538

12710458680 has 64 divisors (see below), whose sum is σ = 40374404640. Its totient is φ = 3190075392.

The previous prime is 12710458637. The next prime is 12710458687. The reversal of 12710458680 is 8685401721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12710458687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3113269 + ... + 3117348.

Almost surely, 212710458680 is an apocalyptic number.

12710458680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12710458680 is an abundant number, since it is smaller than the sum of its proper divisors (27663945960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12710458680 is a wasteful number, since it uses less digits than its factorization.

12710458680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6230648 (or 6230644 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 12710458680 in words is "twelve billion, seven hundred ten million, four hundred fifty-eight thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 17 20 24 30 34 40 51 60 68 85 102 120 136 170 204 255 340 408 510 680 1020 2040 6230617 12461234 18691851 24922468 31153085 37383702 49844936 62306170 74767404 93459255 105920489 124612340 149534808 186918510 211840978 249224680 317761467 373837020 423681956 529602445 635522934 747674040 847363912 1059204890 1271045868 1588807335 2118409780 2542091736 3177614670 4236819560 6355229340 12710458680