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12118289092 = 22713534491399
BaseRepresentation
bin10110100100100111…
…00110101011000100
31011021112200212110221
423102103212223010
5144304240222332
65322252554124
7606205520620
oct132223465304
934245625427
1012118289092
115159504a58
122422482944
1311b180ca80
1482d610180
154add39297
hex2d24e6ac4

12118289092 has 96 divisors (see below), whose sum is σ = 26671680000. Its totient is φ = 4689764352.

The previous prime is 12118289083. The next prime is 12118289093. The reversal of 12118289092 is 29098281121.

It is not an unprimeable number, because it can be changed into a prime (12118289093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8661409 + ... + 8662807.

It is an arithmetic number, because the mean of its divisors is an integer number (277830000).

Almost surely, 212118289092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12118289092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13335840000).

12118289092 is an abundant number, since it is smaller than the sum of its proper divisors (14553390908).

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

12118289092 is a wasteful number, since it uses less digits than its factorization.

12118289092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925 (or 1923 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 43.

The spelling of 12118289092 in words is "twelve billion, one hundred eighteen million, two hundred eighty-nine thousand, ninety-two".

Divisors: 1 2 4 7 13 14 26 28 52 53 91 106 182 212 364 371 449 689 742 898 1378 1399 1484 1796 2756 2798 3143 4823 5596 5837 6286 9646 9793 11674 12572 18187 19292 19586 23348 23797 36374 39172 40859 47594 72748 74147 81718 95188 127309 148294 163436 166579 254618 296588 309361 333158 509236 519029 618722 628151 666316 963911 1038058 1237444 1256302 1927822 2076116 2165527 2512604 3855644 4331054 4397057 6747377 8165963 8662108 8794114 13494754 16331926 17588228 26989508 32663852 33292003 57161741 66584006 114323482 133168012 228646964 233044021 432796039 466088042 865592078 932176084 1731184156 3029572273 6059144546 12118289092