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18140755126428 = 223211414325984111
BaseRepresentation
bin1000001111111101110010…
…10000111110100010011100
32101020020110102012221011100
410013332321100332202130
54334204231303021203
6102325425311553100
73551424552242604
oct407767120764234
971206412187140
1018140755126428
1158644a6382020
12204b97222b790
13a17886bb262c
1446a035403c04
15216d3903aea3
hex107fb943e89c

18140755126428 has 144 divisors (see below), whose sum is σ = 52436353761792. Its totient is φ = 5238396576000.

The previous prime is 18140755126423. The next prime is 18140755126517. The reversal of 18140755126428 is 82462155704181.

18140755126428 is a `hidden beast` number, since 1 + 8 + 1 + 4 + 0 + 7 + 551 + 2 + 64 + 28 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18140755126423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12293908 + ... + 13690203.

It is an arithmetic number, because the mean of its divisors is an integer number (364141345568).

Almost surely, 218140755126428 is an apocalyptic number.

18140755126428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18140755126428 is an abundant number, since it is smaller than the sum of its proper divisors (34295598635364).

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

18140755126428 is a wasteful number, since it uses less digits than its factorization.

18140755126428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25984216 (or 25984211 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 54.

The spelling of 18140755126428 in words is "eighteen trillion, one hundred forty billion, seven hundred fifty-five million, one hundred twenty-six thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 41 43 44 66 82 86 99 123 129 132 164 172 198 246 258 369 387 396 451 473 492 516 738 774 902 946 1353 1419 1476 1548 1763 1804 1892 2706 2838 3526 4059 4257 5289 5412 5676 7052 8118 8514 10578 15867 16236 17028 19393 21156 31734 38786 58179 63468 77572 116358 174537 232716 349074 698148 25984111 51968222 77952333 103936444 155904666 233856999 285825221 311809332 467713998 571650442 857475663 935427996 1065348551 1117316773 1143300884 1714951326 2130697102 2234633546 2572426989 3196045653 3351950319 3429902652 4261394204 4469267092 5144853978 6392091306 6703900638 9588136959 10055850957 10289707956 11718834061 12290484503 12784182612 13407801276 19176273918 20111701914 23437668122 24580969006 35156502183 36871453509 38352547836 40223403828 45809987693 46875336244 49161938012 70313004366 73742907018 91619975386 105469506549 110614360527 137429963079 140626008732 147485814036 183239950772 210939013098 221228721054 274859926158 412289889237 421878026196 442457442108 503909864623 549719852316 824579778474 1007819729246 1511729593869 1649159556948 2015639458492 3023459187738 4535188781607 6046918375476 9070377563214 18140755126428