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12285746304 = 273137931153
BaseRepresentation
bin10110111000100100…
…11001110010000000
31011201012210120120220
423130102121302000
5200130122340204
65351034103040
7613311056226
oct133422316200
934635716526
1012285746304
115234a90047
12246a57aa80
13120a411890
14847960b16
154bd8b61d9
hex2dc499c80

12285746304 has 128 divisors (see below), whose sum is σ = 35590329600. Its totient is φ = 3732258816.

The previous prime is 12285746287. The next prime is 12285746311. The reversal of 12285746304 is 40364758221.

It is a tau number, because it is divible by the number of its divisors (128).

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, 378792 + ... + 409944.

It is an arithmetic number, because the mean of its divisors is an integer number (278049450).

Almost surely, 212285746304 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 12285746304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17795164800).

12285746304 is an abundant number, since it is smaller than the sum of its proper divisors (23304583296).

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

12285746304 is a wasteful number, since it uses less digits than its factorization.

12285746304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31262 (or 31250 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 12285746304 in words is "twelve billion, two hundred eighty-five million, seven hundred forty-six thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 79 96 104 128 156 158 192 208 237 312 316 384 416 474 624 632 832 948 1027 1248 1264 1664 1896 2054 2496 2528 3081 3792 4108 4992 5056 6162 7584 8216 10112 12324 15168 16432 24648 30336 31153 32864 49296 62306 65728 93459 98592 124612 131456 186918 197184 249224 373836 394368 404989 498448 747672 809978 996896 1214967 1495344 1619956 1993792 2429934 2461087 2990688 3239912 3987584 4859868 4922174 5981376 6479824 7383261 9719736 9844348 11962752 12959648 14766522 19439472 19688696 25919296 29533044 31994131 38878944 39377392 51838592 59066088 63988262 77757888 78754784 95982393 118132176 127976524 155515776 157509568 191964786 236264352 255953048 315019136 383929572 472528704 511906096 767859144 945057408 1023812192 1535718288 2047624384 3071436576 4095248768 6142873152 12285746304