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80240620086 = 233112930715173
BaseRepresentation
bin100101010111010110…
…1101011001000110110
321200010002212211201000
41022232231223020312
52303313044320321
6100510110544130
75540303005614
oct1125655531066
9250102784630
1080240620086
1131036813560
1213674508046
137749c41c73
143c52ad26b4
15214969d826
hex12aeb6b236

80240620086 has 128 divisors (see below), whose sum is σ = 201899174400. Its totient is φ = 23398865280.

The previous prime is 80240620081. The next prime is 80240620123. The reversal of 80240620086 is 68002604208.

80240620086 is a `hidden beast` number, since 8 + 0 + 24 + 0 + 620 + 0 + 8 + 6 = 666.

It is a super-2 number, since 2×802406200862 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80240620086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80240620081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5280796 + ... + 5295968.

It is an arithmetic number, because the mean of its divisors is an integer number (1577337300).

Almost surely, 280240620086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80240620086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100949587200).

80240620086 is an abundant number, since it is smaller than the sum of its proper divisors (121658554314).

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

80240620086 is a wasteful number, since it uses less digits than its factorization.

80240620086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15531 (or 15525 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 80240620086 in words is "eighty billion, two hundred forty million, six hundred twenty thousand, eighty-six".

Divisors: 1 2 3 6 9 11 18 22 27 29 33 54 58 66 87 99 174 198 261 297 307 319 522 594 614 638 783 921 957 1566 1842 1914 2763 2871 3377 5526 5742 6754 8289 8613 8903 10131 15173 16578 17226 17806 20262 26709 30346 30393 45519 53418 60786 80127 91038 91179 97933 136557 160254 166903 182358 195866 240381 273114 293799 333806 409671 440017 480762 500709 587598 819342 880034 881397 1001418 1320051 1502127 1762794 2640102 2644191 3004254 3960153 4506381 4658111 4840187 5288382 7920306 9012762 9316222 9680374 11880459 13974333 14520561 23760918 27948666 29041122 41922999 43561683 51239221 83845998 87123366 102478442 125768997 130685049 135085219 153717663 251537994 261370098 270170438 307435326 405255657 461152989 810511314 922305978 1215766971 1383458967 1485937409 2431533942 2766917934 2971874818 3647300913 4457812227 7294601826 8915624454 13373436681 26746873362 40120310043 80240620086