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18143163376140 = 22351171387178049
BaseRepresentation
bin1000010000000010010001…
…10011101110001000001100
32101020110200020202200201010
410020001020303232020030
54334224144311014030
6102330504301045220
73551541334106025
oct410011063561014
971213606680633
1018143163376140
115865521809740
122050324856810
13a17b7bac926a
1446a1c31adc4c
15216e2a6916b0
hex108048cee20c

18143163376140 has 96 divisors (see below), whose sum is σ = 56199668313600. Its totient is φ = 4336394137600.

The previous prime is 18143163376133. The next prime is 18143163376207. The reversal of 18143163376140 is 4167336134181.

It is a super-3 number, since 3×181431633761403 (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18143163376140.

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, 193542165 + ... + 193635884.

It is an arithmetic number, because the mean of its divisors is an integer number (585413211600).

Almost surely, 218143163376140 is an apocalyptic number.

18143163376140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18143163376140 is an abundant number, since it is smaller than the sum of its proper divisors (38056504937460).

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

18143163376140 is a wasteful number, since it uses less digits than its factorization.

18143163376140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387178143 (or 387178141 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 18143163376140 in words is "eighteen trillion, one hundred forty-three billion, one hundred sixty-three million, three hundred seventy-six thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 71 110 132 142 165 213 220 284 330 355 426 660 710 781 852 1065 1420 1562 2130 2343 3124 3905 4260 4686 7810 9372 11715 15620 23430 46860 387178049 774356098 1161534147 1548712196 1935890245 2323068294 3871780490 4258958539 4646136588 5807670735 7743560980 8517917078 11615341470 12776875617 17035834156 21294792695 23230682940 25553751234 27489641479 42589585390 51107502468 54979282958 63884378085 82468924437 85179170780 109958565916 127768756170 137448207395 164937848874 255537512340 274896414790 302386056269 329875697748 412344622185 549792829580 604772112538 824689244370 907158168807 1209544225076 1511930281345 1649378488740 1814316337614 3023860562690 3628632675228 4535790844035 6047721125380 9071581688070 18143163376140