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12750682896 = 2432712649487
BaseRepresentation
bin10111101111111111…
…11111101100010000
31012220121122210200200
423313333333230100
5202103133323041
65505123215200
7630655005420
oct136777775420
935817583620
1012750682896
115453478866
12257a217500
13128283b0a3
1488d5ca480
154e96051b6
hex2f7fffb10

12750682896 has 60 divisors (see below), whose sum is σ = 40781949312. Its totient is φ = 3643051968.

The previous prime is 12750682853. The next prime is 12750682921. The reversal of 12750682896 is 69828605721.

12750682896 is a `hidden beast` number, since 1 + 27 + 506 + 8 + 28 + 96 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6323736 + ... + 6325751.

Almost surely, 212750682896 is an apocalyptic number.

12750682896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12750682896 is an abundant number, since it is smaller than the sum of its proper divisors (28031266416).

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

12750682896 is a wasteful number, since it uses less digits than its factorization.

12750682896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12649508 (or 12649499 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 12750682896 in words is "twelve billion, seven hundred fifty million, six hundred eighty-two thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 1008 12649487 25298974 37948461 50597948 75896922 88546409 101195896 113845383 151793844 177092818 202391792 227690766 265639227 303587688 354185636 455381532 531278454 607175376 708371272 796917681 910763064 1062556908 1416742544 1593835362 1821526128 2125113816 3187670724 4250227632 6375341448 12750682896