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12644270204 = 2231569179209
BaseRepresentation
bin10111100011010100…
…00100000001111100
31012122012102110220212
423301222010001330
5201343413121304
65450402331552
7625223344346
oct136152040174
935565373825
1012644270204
1153a93a7395
12254a659bb8
1312667907b7
1487d40a296
154e00d566e
hex2f1a8407c

12644270204 has 24 divisors (see below), whose sum is σ = 22881532800. Its totient is φ = 6107408640.

The previous prime is 12644270203. The next prime is 12644270267. The reversal of 12644270204 is 40207244621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12644270201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19049 + ... + 160160.

It is an arithmetic number, because the mean of its divisors is an integer number (953397200).

Almost surely, 212644270204 is an apocalyptic number.

It is an amenable number.

12644270204 is a deficient number, since it is larger than the sum of its proper divisors (10237262596).

12644270204 is a wasteful number, since it uses less digits than its factorization.

12644270204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179813 (or 179811 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The spelling of 12644270204 in words is "twelve billion, six hundred forty-four million, two hundred seventy thousand, two hundred four".

Divisors: 1 2 4 31 62 124 569 1138 2276 17639 35278 70556 179209 358418 716836 5555479 11110958 22221916 101969921 203939842 407879684 3161067551 6322135102 12644270204