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12974418976 = 25405450593
BaseRepresentation
bin11000001010101010…
…11110110000100000
31020111012122202220011
430011111132300200
5203032422401401
65543234454304
7636342512251
oct140525366040
936435582804
1012974418976
1155587a3012
122621134394
1312b9cb61bc
148b11cab28
1550e09c451
hex30555ec20

12974418976 has 12 divisors (see below), whose sum is σ = 25543387422. Its totient is φ = 6487209472.

The previous prime is 12974418937. The next prime is 12974418997. The reversal of 12974418976 is 67981447921.

It can be written as a sum of positive squares in only one way, i.e., 12818768400 + 155650576 = 113220^2 + 12476^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12974418976.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202725265 + ... + 202725328.

Almost surely, 212974418976 is an apocalyptic number.

12974418976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12974418976 is a deficient number, since it is larger than the sum of its proper divisors (12568968446).

12974418976 is an equidigital number, since it uses as much as digits as its factorization.

12974418976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405450603 (or 405450595 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 58.

The spelling of 12974418976 in words is "twelve billion, nine hundred seventy-four million, four hundred eighteen thousand, nine hundred seventy-six".

Divisors: 1 2 4 8 16 32 405450593 810901186 1621802372 3243604744 6487209488 12974418976