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12224900664 = 2332169790287
BaseRepresentation
bin10110110001010100…
…10010111000111000
31011112222022022001200
423120222102320320
5200014033310124
65341022014200
7611641640544
oct133052227070
934488268050
1012224900664
115203701899
122452117360
1311ca929a42
1483d842a24
154b8397bc9
hex2d8a92e38

12224900664 has 24 divisors (see below), whose sum is σ = 33109106160. Its totient is φ = 4074966864.

The previous prime is 12224900663. The next prime is 12224900687. The reversal of 12224900664 is 46600942221.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224900663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84895072 + ... + 84895215.

It is an arithmetic number, because the mean of its divisors is an integer number (1379546090).

Almost surely, 212224900664 is an apocalyptic number.

It is an amenable number.

12224900664 is an abundant number, since it is smaller than the sum of its proper divisors (20884205496).

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

12224900664 is a wasteful number, since it uses less digits than its factorization.

12224900664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169790299 (or 169790292 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 12224900664 in words is "twelve billion, two hundred twenty-four million, nine hundred thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 169790287 339580574 509370861 679161148 1018741722 1358322296 1528112583 2037483444 3056225166 4074966888 6112450332 12224900664