Search a number
-
+
12534314931 = 32171494871129
BaseRepresentation
bin10111010110001101…
…00111011110110011
31012100112112011122100
423223012213132303
5201132241034211
65431433511443
7622416630135
oct135306473663
935315464570
1012534314931
115352326366
122519872583
131249a728c8
1486c987055
154d5616156
hex2eb1a77b3

12534314931 has 48 divisors (see below), whose sum is σ = 19355544000. Its totient is φ = 7788939264.

The previous prime is 12534314887. The next prime is 12534314987. The reversal of 12534314931 is 13941343521.

12534314931 is a `hidden beast` number, since 1 + 2 + 534 + 31 + 4 + 93 + 1 = 666.

It is not a de Polignac number, because 12534314931 - 26 = 12534314867 is a prime.

It is a super-2 number, since 2×125343149312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12534313931) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11101575 + ... + 11102703.

It is an arithmetic number, because the mean of its divisors is an integer number (403240500).

Almost surely, 212534314931 is an apocalyptic number.

12534314931 is a deficient number, since it is larger than the sum of its proper divisors (6821229069).

12534314931 is a wasteful number, since it uses less digits than its factorization.

12534314931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788 (or 1785 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The spelling of 12534314931 in words is "twelve billion, five hundred thirty-four million, three hundred fourteen thousand, nine hundred thirty-one".

Divisors: 1 3 9 17 51 149 153 447 487 1129 1341 1461 2533 3387 4383 7599 8279 10161 19193 22797 24837 57579 72563 74511 168221 172737 217689 504663 549823 653067 1233571 1513989 1649469 2859757 3700713 4948407 8579271 9346991 11102139 25737813 28040973 81923627 84122919 245770881 737312643 1392701659 4178104977 12534314931