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12710795864 = 23131910163689
BaseRepresentation
bin10111101011001111…
…10101101001011000
31012210211121022222012
423311213311221120
5202012430431424
65501140245052
7626661660614
oct136547655130
935724538865
1012710795864
115432a05078
1225689a0788
1312774b3ab0
148881a6344
154e5d76b0e
hex2f59f5a58

12710795864 has 64 divisors (see below), whose sum is σ = 27284796000. Its totient is φ = 5502643200.

The previous prime is 12710795849. The next prime is 12710795887. The reversal of 12710795864 is 46859701721.

It is a happy number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167732 + ... + 231420.

Almost surely, 212710795864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12710795864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13642398000).

12710795864 is an abundant number, since it is smaller than the sum of its proper divisors (14574000136).

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

12710795864 is a wasteful number, since it uses less digits than its factorization.

12710795864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63828 (or 63824 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 12710795864 in words is "twelve billion, seven hundred ten million, seven hundred ninety-five thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 13 19 26 38 52 76 101 104 152 202 247 404 494 808 988 1313 1919 1976 2626 3838 5252 7676 10504 15352 24947 49894 63689 99788 127378 199576 254756 509512 827957 1210091 1655914 2420182 3311828 4840364 6432589 6623656 9680728 12865178 15731183 25730356 31462366 51460712 62924732 83623657 122219191 125849464 167247314 244438382 334494628 488876764 668989256 977753528 1588849483 3177698966 6355397932 12710795864