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12102919584 = 253760729671
BaseRepresentation
bin10110100010110001…
…11110010110100000
31011020110210000110220
423101120332112200
5144241321411314
65320543323040
7605631055560
oct132130762640
934213700426
1012102919584
115150867688
1224192b0480
1311ab58b1a2
1482b56cda0
154ac8003a9
hex2d163e5a0

12102919584 has 96 divisors (see below), whose sum is σ = 36369801216. Its totient is φ = 3452163840.

The previous prime is 12102919571. The next prime is 12102919607. The reversal of 12102919584 is 48591920121.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 393069 + ... + 422739.

It is an arithmetic number, because the mean of its divisors is an integer number (378852096).

Almost surely, 212102919584 is an apocalyptic number.

12102919584 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12102919584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18184900608).

12102919584 is an abundant number, since it is smaller than the sum of its proper divisors (24266881632).

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

12102919584 is a wasteful number, since it uses less digits than its factorization.

12102919584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30298 (or 30290 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 12102919584 in words is "twelve billion, one hundred two million, nine hundred nineteen thousand, five hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 607 672 1214 1821 2428 3642 4249 4856 7284 8498 9712 12747 14568 16996 19424 25494 29136 29671 33992 50988 58272 59342 67984 89013 101976 118684 135968 178026 203952 207697 237368 356052 407904 415394 474736 623091 712104 830788 949472 1246182 1424208 1661576 2492364 2848416 3323152 4984728 6646304 9969456 18010297 19938912 36020594 54030891 72041188 108061782 126072079 144082376 216123564 252144158 288164752 378216237 432247128 504288316 576329504 756432474 864494256 1008576632 1512864948 1728988512 2017153264 3025729896 4034306528 6051459792 12102919584