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12949916224 = 26735118233
BaseRepresentation
bin11000000111110000…
…00000101001000000
31020102111112220102211
430003320000221000
5203010134304344
65541001351504
7635624320540
oct140370005100
936374486384
1012949916224
115545987803
122614a98594
1312b4bb742b
148abc4d320
1550bd5c334
hex303e00a40

12949916224 has 56 divisors (see below), whose sum is σ = 29380492928. Its totient is φ = 5547709440.

The previous prime is 12949916207. The next prime is 12949916263. The reversal of 12949916224 is 42261994921.

It is a tau number, because it is divible by the number of its divisors (56).

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, 1568812 + ... + 1577044.

Almost surely, 212949916224 is an apocalyptic number.

12949916224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12949916224 is an abundant number, since it is smaller than the sum of its proper divisors (16430576704).

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

12949916224 is an equidigital number, since it uses as much as digits as its factorization.

12949916224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11763 (or 11753 counting only the distinct ones).

The product of its digits is 559872, while the sum is 49.

The spelling of 12949916224 in words is "twelve billion, nine hundred forty-nine million, nine hundred sixteen thousand, two hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 3511 7022 8233 14044 16466 24577 28088 32932 49154 56176 57631 65864 98308 112352 115262 131728 196616 224704 230524 263456 393232 461048 526912 786464 922096 1572928 1844192 3688384 28906063 57812126 115624252 202342441 231248504 404684882 462497008 809369764 924994016 1618739528 1849988032 3237479056 6474958112 12949916224