Search a number
-
+
12220766294 = 21119130722369
BaseRepresentation
bin10110110000110101…
…00001100001010110
31011112200112020202212
423120122201201112
5200012004010134
65340353233422
7611561541152
oct133032414126
934480466685
1012220766294
115201338660
122450862872
1311c9b0cc79
1483d088062
154b7d2cbce
hex2d86a1856

12220766294 has 32 divisors (see below), whose sum is σ = 21067171200. Its totient is φ = 5258269440.

The previous prime is 12220766293. The next prime is 12220766303. The reversal of 12220766294 is 49266702221.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220766293) 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, 535142 + ... + 557510.

It is an arithmetic number, because the mean of its divisors is an integer number (658349100).

Almost surely, 212220766294 is an apocalyptic number.

12220766294 is a deficient number, since it is larger than the sum of its proper divisors (8846404906).

12220766294 is a wasteful number, since it uses less digits than its factorization.

12220766294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23708.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 12220766294 in words is "twelve billion, two hundred twenty million, seven hundred sixty-six thousand, two hundred ninety-four".

Divisors: 1 2 11 19 22 38 209 418 1307 2614 14377 22369 24833 28754 44738 49666 246059 273163 425011 492118 546326 850022 4675121 9350242 29236283 58472566 321599113 555489377 643198226 1110978754 6110383147 12220766294