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86861683700 = 22521178965167
BaseRepresentation
bin101000011100101011…
…1000001101111110100
322022012112120201111022
41100321113001233310
52410343042334300
6103523111200312
76163341062231
oct1207127015764
9268175521438
1086861683700
1133924179660
1214a01976098
13826389cb9c
1442c01ac788
1523d5ab5285
hex14395c1bf4

86861683700 has 36 divisors (see below), whose sum is σ = 205625297472. Its totient is φ = 31586066400.

The previous prime is 86861683639. The next prime is 86861683709. The reversal of 86861683700 is 738616868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86861683709) 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 11 ways as a sum of consecutive naturals, for example, 39481484 + ... + 39483683.

Almost surely, 286861683700 is an apocalyptic number.

It is an amenable number.

86861683700 is an abundant number, since it is smaller than the sum of its proper divisors (118763613772).

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

86861683700 is a wasteful number, since it uses less digits than its factorization.

86861683700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78965192 (or 78965185 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

It can be divided in two parts, 8686168 and 3700, that added together give a palindrome (8689868).

The spelling of 86861683700 in words is "eighty-six billion, eight hundred sixty-one million, six hundred eighty-three thousand, seven hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 78965167 157930334 315860668 394825835 789651670 868616837 1579303340 1737233674 1974129175 3474467348 3948258350 4343084185 7896516700 8686168370 17372336740 21715420925 43430841850 86861683700