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12220261846 = 2131094312019
BaseRepresentation
bin10110110000110001…
…00110010111010110
31011112122120121210121
423120120212113112
5200011341334341
65340334342154
7611554340362
oct133030462726
934478517717
1012220261846
115201023661
12245065a95a
1311c9994490
1483cd962a2
154b7c7d4d1
hex2d86265d6

12220261846 has 16 divisors (see below), whose sum is σ = 19921532400. Its totient is φ = 5588375328.

The previous prime is 12220261843. The next prime is 12220261853. The reversal of 12220261846 is 64816202221.

12220261846 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220261843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2153176 + ... + 2158843.

It is an arithmetic number, because the mean of its divisors is an integer number (1245095775).

Almost surely, 212220261846 is an apocalyptic number.

12220261846 is a deficient number, since it is larger than the sum of its proper divisors (7701270554).

12220261846 is a wasteful number, since it uses less digits than its factorization.

12220261846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312143.

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 12220261846 in words is "twelve billion, two hundred twenty million, two hundred sixty-one thousand, eight hundred forty-six".

Divisors: 1 2 13 26 109 218 1417 2834 4312019 8624038 56056247 112112494 470010071 940020142 6110130923 12220261846