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120010319979 = 311172116471567
BaseRepresentation
bin110111111000100101…
…1000010100001101011
3102110202201120220211220
41233301023002201223
53431240120214404
6131044301353123
711445652613544
oct1576113024153
9373681526756
10120010319979
1146994773730
121b3132687a3
13b41738b774
145b468714cb
1531c5d434d9
hex1bf12c286b

120010319979 has 64 divisors (see below), whose sum is σ = 186110410752. Its totient is φ = 67981939200.

The previous prime is 120010319971. The next prime is 120010320019. The reversal of 120010319979 is 979913010021.

It is not a de Polignac number, because 120010319979 - 23 = 120010319971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120010319979.

It is not an unprimeable number, because it can be changed into a prime (120010319971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76585254 + ... + 76586820.

It is an arithmetic number, because the mean of its divisors is an integer number (2907975168).

Almost surely, 2120010319979 is an apocalyptic number.

120010319979 is a deficient number, since it is larger than the sum of its proper divisors (66100090773).

120010319979 is a wasteful number, since it uses less digits than its factorization.

120010319979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456.

The product of its (nonzero) digits is 30618, while the sum is 42.

The spelling of 120010319979 in words is "one hundred twenty billion, ten million, three hundred nineteen thousand, nine hundred seventy-nine".

Divisors: 1 3 11 17 33 51 187 211 561 633 647 1567 1941 2321 3587 4701 6963 7117 10761 10999 17237 21351 26639 32997 39457 51711 79917 118371 120989 136517 293029 330637 362967 409551 879087 991911 1013849 1501687 2320789 3041547 3637007 4505061 5620829 6962367 10911021 11152339 16862487 17235433 25528679 33457017 51706299 61829119 76586037 185487357 189589763 213922139 568769289 641766417 2353143529 3636676363 7059430587 10910029089 40003439993 120010319979