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12799570904 = 2331109473497
BaseRepresentation
bin10111110101110100…
…11111001111011000
31020001000122120102122
423322322133033120
5202203142232104
65514031120412
7632120362151
oct137272371730
936030576378
1012799570904
11547902a07a
122592673108
13128c9c72c3
14895cb4928
154eda606be
hex2fae9f3d8

12799570904 has 32 divisors (see below), whose sum is σ = 25000694400. Its totient is φ = 6136508160.

The previous prime is 12799570859. The next prime is 12799570933. The reversal of 12799570904 is 40907599721.

It is a congruent number.

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, 209717 + ... + 263780.

It is an arithmetic number, because the mean of its divisors is an integer number (781271700).

Almost surely, 212799570904 is an apocalyptic number.

It is an amenable number.

12799570904 is a deficient number, since it is larger than the sum of its proper divisors (12201123496).

12799570904 is a wasteful number, since it uses less digits than its factorization.

12799570904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473643 (or 473639 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 53.

The spelling of 12799570904 in words is "twelve billion, seven hundred ninety-nine million, five hundred seventy thousand, nine hundred four".

Divisors: 1 2 4 8 31 62 109 124 218 248 436 872 3379 6758 13516 27032 473497 946994 1893988 3787976 14678407 29356814 51611173 58713628 103222346 117427256 206444692 412889384 1599946363 3199892726 6399785452 12799570904