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12224205444 = 22311547116927
BaseRepresentation
bin10110110001001111…
…01001001010000100
31011112220222222101210
423120213221022010
5200013344033234
65340555051420
7611633013633
oct133047511204
934486888353
1012224205444
115203277530
122451a40b70
1311ca745479
1483d70151a
154b82abbe9
hex2d89e9284

12224205444 has 48 divisors (see below), whose sum is σ = 31123685376. Its totient is φ = 3703408800.

The previous prime is 12224205361. The next prime is 12224205493. The reversal of 12224205444 is 44450242221.

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, 713709 + ... + 730635.

It is an arithmetic number, because the mean of its divisors is an integer number (648410112).

Almost surely, 212224205444 is an apocalyptic number.

It is an amenable number.

12224205444 is an abundant number, since it is smaller than the sum of its proper divisors (18899479932).

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

12224205444 is a wasteful number, since it uses less digits than its factorization.

12224205444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22416 (or 22414 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 12224205444 its reverse (44450242221), we get a palindrome (56674447665).

The spelling of 12224205444 in words is "twelve billion, two hundred twenty-four million, two hundred five thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 5471 10942 16413 16927 21884 32826 33854 50781 60181 65652 67708 101562 120362 180543 186197 203124 240724 361086 372394 558591 722172 744788 1117182 2234364 92607617 185215234 277822851 370430468 555645702 1018683787 1111291404 2037367574 3056051361 4074735148 6112102722 12224205444