Search a number
-
+
12712860204 = 22311311309677
BaseRepresentation
bin10111101011011111…
…01101101000101100
31012210222111012201020
423311233231220230
5202013443011304
65501252414140
7630015346242
oct136557555054
935728435636
1012712860204
115434095040
122569617350
131277a575b5
14888582792
154e61335d9
hex2f5beda2c

12712860204 has 48 divisors (see below), whose sum is σ = 32464164096. Its totient is φ = 3839982400.

The previous prime is 12712860197. The next prime is 12712860217. The reversal of 12712860204 is 40206821721.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113787 + ... + 195890.

It is an arithmetic number, because the mean of its divisors is an integer number (676336752).

Almost surely, 212712860204 is an apocalyptic number.

It is an amenable number.

12712860204 is an abundant number, since it is smaller than the sum of its proper divisors (19751303892).

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

12712860204 is a wasteful number, since it uses less digits than its factorization.

12712860204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310006 (or 310004 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The spelling of 12712860204 in words is "twelve billion, seven hundred twelve million, eight hundred sixty thousand, two hundred four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 311 622 933 1244 1866 3421 3732 6842 10263 13684 20526 41052 309677 619354 929031 1238708 1858062 3406447 3716124 6812894 10219341 13625788 20438682 40877364 96309547 192619094 288928641 385238188 577857282 1059405017 1155714564 2118810034 3178215051 4237620068 6356430102 12712860204