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12637765264 = 24789860329
BaseRepresentation
bin10111100010100010…
…01111111010010000
31012121202011222211011
423301101033322100
5201340231442024
65450011100304
7625114142455
oct136121177220
935552158734
1012637765264
1153a5764103
122548441694
131265323a17
1487c5d582c
154de74d094
hex2f144fe90

12637765264 has 10 divisors (see below), whose sum is σ = 24485670230. Its totient is φ = 6318882624.

The previous prime is 12637765207. The next prime is 12637765267. The reversal of 12637765264 is 46256773621.

12637765264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10391763600 + 2246001664 = 101940^2 + 47392^2 .

It is a super-2 number, since 2×126377652642 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12637765267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394930149 + ... + 394930180.

It is an arithmetic number, because the mean of its divisors is an integer number (2448567023).

Almost surely, 212637765264 is an apocalyptic number.

It is an amenable number.

12637765264 is a deficient number, since it is larger than the sum of its proper divisors (11847904966).

12637765264 is an equidigital number, since it uses as much as digits as its factorization.

12637765264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789860337 (or 789860331 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 49.

The spelling of 12637765264 in words is "twelve billion, six hundred thirty-seven million, seven hundred sixty-five thousand, two hundred sixty-four".

Divisors: 1 2 4 8 16 789860329 1579720658 3159441316 6318882632 12637765264