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86853826280 = 235131631024703
BaseRepresentation
bin101000011100011100…
…1000011011011101000
322022011222210112010202
41100320321003123220
52410334034420110
6103522230531332
76163214225264
oct1207071033350
9268158715122
1086853826280
113391a7a2221
12149bb206b48
13826207b620
1442bd1250a4
1523d50620a5
hex1438e436e8

86853826280 has 64 divisors (see below), whose sum is σ = 211744834560. Its totient is φ = 31872331008.

The previous prime is 86853826277. The next prime is 86853826289. The reversal of 86853826280 is 8262835868.

It is not an unprimeable number, because it can be changed into a prime (86853826289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427592 + ... + 597111.

It is an arithmetic number, because the mean of its divisors is an integer number (3308513040).

Almost surely, 286853826280 is an apocalyptic number.

It is an amenable number.

86853826280 is an abundant number, since it is smaller than the sum of its proper divisors (124891008280).

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

86853826280 is a wasteful number, since it uses less digits than its factorization.

86853826280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024890 (or 1024886 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 56.

The spelling of 86853826280 in words is "eighty-six billion, eight hundred fifty-three million, eight hundred twenty-six thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 163 260 326 520 652 815 1304 1630 2119 3260 4238 6520 8476 10595 16952 21190 42380 84760 1024703 2049406 4098812 5123515 8197624 10247030 13321139 20494060 26642278 40988120 53284556 66605695 106569112 133211390 167026589 266422780 334053178 532845560 668106356 835132945 1336212712 1670265890 2171345657 3340531780 4342691314 6681063560 8685382628 10856728285 17370765256 21713456570 43426913140 86853826280