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80795859708 = 223371492774409
BaseRepresentation
bin100101100111111001…
…1101111101011111100
321201112210122221021110
41023033303233223330
52310432220002313
6101041143402020
75560124322204
oct1131763575374
9251483587243
1080795859708
11312a117a283
12137aa453310
137807c98315
143ca6747404
15217d2c8ec3
hex12cfcefafc

80795859708 has 96 divisors (see below), whose sum is σ = 195666408000. Its totient is φ = 25928349696.

The previous prime is 80795859667. The next prime is 80795859721.

80795859708 is nontrivially palindromic in base 10.

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, 18323008 + ... + 18327416.

It is an arithmetic number, because the mean of its divisors is an integer number (2038191750).

Almost surely, 280795859708 is an apocalyptic number.

It is an amenable number.

80795859708 is an abundant number, since it is smaller than the sum of its proper divisors (114870548292).

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

80795859708 is a wasteful number, since it uses less digits than its factorization.

80795859708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4879 (or 4877 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 66.

The spelling of 80795859708 in words is "eighty billion, seven hundred ninety-five million, eight hundred fifty-nine thousand, seven hundred eight".

Divisors: 1 2 3 4 6 12 37 74 111 148 149 222 277 298 444 447 554 596 831 894 1108 1662 1788 3324 4409 5513 8818 10249 11026 13227 16539 17636 20498 22052 26454 30747 33078 40996 41273 52908 61494 66156 82546 122988 123819 163133 165092 247638 326266 489399 495276 652532 656941 978798 1221293 1313882 1527101 1957596 1970823 2442586 2627764 3054202 3663879 3941646 4581303 4885172 6108404 7327758 7883292 9162606 14655516 18325212 24306817 45187841 48613634 72920451 90375682 97227268 135563523 145840902 180751364 181972657 271127046 291681804 363945314 542254092 545917971 727890628 1091835942 2183671884 6732988309 13465976618 20198964927 26931953236 40397929854 80795859708