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12905264000 = 2753806579
BaseRepresentation
bin11000000010011011…
…01011001110000000
31020022101112100002202
430001031223032000
5202412221422000
65532324332332
7634542635246
oct140115531600
936271470082
1012905264000
115522759942
122601b440a8
1312a88821b5
148a5d48796
15507e8bdd5
hex30136b380

12905264000 has 64 divisors (see below), whose sum is σ = 32085752400. Its totient is φ = 5162099200.

The previous prime is 12905263993. The next prime is 12905264039. The reversal of 12905264000 is 46250921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 387290 + ... + 419289.

Almost surely, 212905264000 is an apocalyptic number.

12905264000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12905264000 is an abundant number, since it is smaller than the sum of its proper divisors (19180488400).

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

12905264000 is an frugal number, since it uses more digits than its factorization.

12905264000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806608 (or 806586 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 12905264000 in words is "twelve billion, nine hundred five million, two hundred sixty-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 320 400 500 640 800 1000 1600 2000 3200 4000 8000 16000 806579 1613158 3226316 4032895 6452632 8065790 12905264 16131580 20164475 25810528 32263160 40328950 51621056 64526320 80657900 100822375 103242112 129052640 161315800 201644750 258105280 322631600 403289500 516210560 645263200 806579000 1290526400 1613158000 2581052800 3226316000 6452632000 12905264000