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12896969376 = 253711892161
BaseRepresentation
bin11000000001011100…
…00010001010100000
31020021210220221000110
430000232002022200
5202403111010001
65531430451320
7634412300544
oct140056021240
936253827013
1012896969376
115519003a85
1225bb203b40
1312a6c39935
148a4bc9a24
1550739e3d6
hex300b822a0

12896969376 has 48 divisors (see below), whose sum is σ = 34331387328. Its totient is φ = 4238438400.

The previous prime is 12896969333. The next prime is 12896969387. The reversal of 12896969376 is 67396969821.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939265 + ... + 952896.

It is an arithmetic number, because the mean of its divisors is an integer number (715237236).

Almost surely, 212896969376 is an apocalyptic number.

12896969376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12896969376 is an abundant number, since it is smaller than the sum of its proper divisors (21434417952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12896969376 is a wasteful number, since it uses less digits than its factorization.

12896969376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892245 (or 1892237 counting only the distinct ones).

The product of its digits is 52907904, while the sum is 66.

The spelling of 12896969376 in words is "twelve billion, eight hundred ninety-six million, nine hundred sixty-nine thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 71 96 142 213 284 426 568 852 1136 1704 2272 3408 6816 1892161 3784322 5676483 7568644 11352966 15137288 22705932 30274576 45411864 60549152 90823728 134343431 181647456 268686862 403030293 537373724 806060586 1074747448 1612121172 2149494896 3224242344 4298989792 6448484688 12896969376