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12957332045 = 57450782141
BaseRepresentation
bin11000001000101000…
…10011001001001101
31020110000111200000212
430010110103021031
5203014034111140
65541424332205
7636044335160
oct140424231115
936400450025
1012957332045
11554a092389
122617474065
1312b65b29a8
148acc1dad7
1550c824765
hex30451324d

12957332045 has 16 divisors (see below), whose sum is σ = 17774214528. Its totient is φ = 8882948160.

The previous prime is 12957332041. The next prime is 12957332077. The reversal of 12957332045 is 54023375921.

It is not a de Polignac number, because 12957332045 - 22 = 12957332041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12957331993 and 12957332011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12957332041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116675 + ... + 198815.

It is an arithmetic number, because the mean of its divisors is an integer number (1110888408).

Almost surely, 212957332045 is an apocalyptic number.

It is an amenable number.

12957332045 is a deficient number, since it is larger than the sum of its proper divisors (4816882483).

12957332045 is an equidigital number, since it uses as much as digits as its factorization.

12957332045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86660.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 12957332045 in words is "twelve billion, nine hundred fifty-seven million, three hundred thirty-two thousand, forty-five".

Divisors: 1 5 7 35 4507 22535 31549 82141 157745 410705 574987 2874935 370209487 1851047435 2591466409 12957332045