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12404620799 = 712576131109
BaseRepresentation
bin10111000110101111…
…10111110111111111
31012000111111000201222
423203113313313333
5200401040331144
65410522023555
7616253352134
oct134327676777
935014430658
1012404620799
1152960a322a
1224a2347bbb
131228c3340c
1485966658b
154c90482ee
hex2e35f7dff

12404620799 has 16 divisors (see below), whose sum is σ = 12660287040. Its totient is φ = 12151480320.

The previous prime is 12404620793. The next prime is 12404620819. The reversal of 12404620799 is 99702640421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12404620799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404620793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11184857 + ... + 11185965.

It is an arithmetic number, because the mean of its divisors is an integer number (791267940).

Almost surely, 212404620799 is an apocalyptic number.

12404620799 is a deficient number, since it is larger than the sum of its proper divisors (255666241).

12404620799 is a wasteful number, since it uses less digits than its factorization.

12404620799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 12404620799 in words is "twelve billion, four hundred four million, six hundred twenty thousand, seven hundred ninety-nine".

Divisors: 1 71 257 613 1109 18247 43523 78739 157541 285013 679817 11185411 20235923 48267007 174712969 12404620799