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12228055796 = 22111933074423
BaseRepresentation
bin10110110001101100…
…10101001011110100
31011120012020121002102
423120312111023310
5200020340241141
65341213401232
7612010521305
oct133066251364
934505217072
1012228055796
115205467340
122453199218
1311cb492b98
148400247ac
154b87bc99b
hex2d8d952f4

12228055796 has 48 divisors (see below), whose sum is σ = 24586114560. Its totient is φ = 5262887520.

The previous prime is 12228055793. The next prime is 12228055811. The reversal of 12228055796 is 69755082221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12228055796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12228055793) 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, 2762441 + ... + 2766863.

It is an arithmetic number, because the mean of its divisors is an integer number (512210720).

Almost surely, 212228055796 is an apocalyptic number.

It is an amenable number.

12228055796 is an abundant number, since it is smaller than the sum of its proper divisors (12358058764).

12228055796 is a wasteful number, since it uses less digits than its factorization.

12228055796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7764 (or 7762 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 12228055796 in words is "twelve billion, two hundred twenty-eight million, fifty-five thousand, seven hundred ninety-six".

Divisors: 1 2 4 11 19 22 38 44 76 209 418 836 3307 4423 6614 8846 13228 17692 36377 48653 62833 72754 84037 97306 125666 145508 168074 194612 251332 336148 691163 924407 1382326 1848814 2764652 3697628 14626861 29253722 58507444 160895471 277910359 321790942 555820718 643581884 1111641436 3057013949 6114027898 12228055796