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12944728196 = 2219973917489
BaseRepresentation
bin11000000111001000…
…01110000010000100
31020102010210022210122
430003210032002010
5203002322300241
65540254241112
7635532242231
oct140344160204
936363708718
1012944728196
115542a63984
1226131b6198
1312b3abbbaa
148ab29c788
1550b68504b
hex30390e084

12944728196 has 24 divisors (see below), whose sum is σ = 23849364000. Its totient is φ = 6130733184.

The previous prime is 12944728169. The next prime is 12944728211. The reversal of 12944728196 is 69182744921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731420 + ... + 748908.

It is an arithmetic number, because the mean of its divisors is an integer number (993723500).

Almost surely, 212944728196 is an apocalyptic number.

It is an amenable number.

12944728196 is a deficient number, since it is larger than the sum of its proper divisors (10904635804).

12944728196 is a wasteful number, since it uses less digits than its factorization.

12944728196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27251 (or 27249 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 53.

The spelling of 12944728196 in words is "twelve billion, nine hundred forty-four million, seven hundred twenty-eight thousand, one hundred ninety-six".

Divisors: 1 2 4 19 38 76 9739 17489 19478 34978 38956 69956 185041 332291 370082 664582 740164 1329164 170325371 340650742 681301484 3236182049 6472364098 12944728196