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12795624392 = 231599453049
BaseRepresentation
bin10111110101010110…
…11011101111001000
31020000202020001211112
423322223123233020
5202201134440032
65513410345452
7632042004245
oct137253335710
936022201745
1012795624392
115476883aa1
12259128b288
13128bc44ba5
148955685cc
154ed5311b2
hex2faadbbc8

12795624392 has 8 divisors (see below), whose sum is σ = 23991795750. Its totient is φ = 6397812192.

The previous prime is 12795624349. The next prime is 12795624397. The reversal of 12795624392 is 29342659721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12195668356 + 599956036 = 110434^2 + 24494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×127956243922 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12795624392.

It is not an unprimeable number, because it can be changed into a prime (12795624397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 799726517 + ... + 799726532.

Almost surely, 212795624392 is an apocalyptic number.

It is an amenable number.

12795624392 is a deficient number, since it is larger than the sum of its proper divisors (11196171358).

12795624392 is a wasteful number, since it uses less digits than its factorization.

12795624392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599453055 (or 1599453051 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 50.

The spelling of 12795624392 in words is "twelve billion, seven hundred ninety-five million, six hundred twenty-four thousand, three hundred ninety-two".

Divisors: 1 2 4 8 1599453049 3198906098 6397812196 12795624392