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18304045112 = 2317738397229
BaseRepresentation
bin10001000011000000…
…011001000000111000
31202020122021211111202
4101003000121000320
5244441313420422
612224143113332
71215406550003
oct210300310070
952218254452
1018304045112
11784317a011
123669ba2848
131959216632
14c58d7453a
15721e15b92
hex443019038

18304045112 has 128 divisors (see below), whose sum is σ = 37829332800. Its totient is φ = 8270512128.

The previous prime is 18304045057. The next prime is 18304045147. The reversal of 18304045112 is 21154040381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79930214 + ... + 79930442.

Almost surely, 218304045112 is an apocalyptic number.

It is an amenable number.

18304045112 is an abundant number, since it is smaller than the sum of its proper divisors (19525287688).

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

18304045112 is a wasteful number, since it uses less digits than its factorization.

18304045112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 18304045112 its reverse (21154040381), we get a palindrome (39458085493).

The spelling of 18304045112 in words is "eighteen billion, three hundred four million, forty-five thousand, one hundred twelve".

Divisors: 1 2 4 8 17 34 68 73 83 97 136 146 166 194 229 292 332 388 458 584 664 776 916 1241 1411 1649 1832 2482 2822 3298 3893 4964 5644 6059 6596 7081 7786 8051 9928 11288 12118 13192 14162 15572 16102 16717 19007 22213 24236 28324 31144 32204 33434 38014 44426 48472 56648 64408 66868 76028 88852 103003 120377 133736 136867 152056 177704 206006 240754 273734 284189 323119 377621 412012 481508 547468 568378 587723 646238 755242 824024 963016 1094936 1136756 1175446 1292476 1387511 1510484 1621549 1843679 2273512 2350892 2584952 2775022 3020968 3243098 3687358 4701784 5550044 6486196 7374716 9991291 11100088 12972392 14749432 19982582 23587687 27566333 31342543 39965164 47175374 55132666 62685086 79930328 94350748 110265332 125370172 134588567 188701496 220530664 250740344 269177134 538354268 1076708536 2288005639 4576011278 9152022556 18304045112