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86106780852 = 223173159322961
BaseRepresentation
bin101000000110001011…
…1010011010010110100
322020020221002200110120
41100030113103102310
52402321313441402
6103320143051540
76135543363261
oct1201427232264
9266227080416
1086106780852
113357703aa04
1214830ba0bb0
138173379901
14424bc22268
15238e69a3bc
hex140c5d34b4

86106780852 has 96 divisors (see below), whose sum is σ = 219976694784. Its totient is φ = 26097254400.

The previous prime is 86106780847. The next prime is 86106780853. The reversal of 86106780852 is 25808760168.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 86106780795 and 86106780804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86106780853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3738652 + ... + 3761612.

It is an arithmetic number, because the mean of its divisors is an integer number (2291423904).

Almost surely, 286106780852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86106780852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109988347392).

86106780852 is an abundant number, since it is smaller than the sum of its proper divisors (133869913932).

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

86106780852 is a wasteful number, since it uses less digits than its factorization.

86106780852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23609 (or 23607 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 86106780852 in words is "eighty-six billion, one hundred six million, seven hundred eighty thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 17 31 34 51 62 68 93 102 124 186 204 372 527 593 1054 1186 1581 1779 2108 2372 3162 3558 6324 7116 10081 18383 20162 22961 30243 36766 40324 45922 55149 60486 68883 73532 91844 110298 120972 137766 220596 275532 312511 390337 625022 711791 780674 937533 1171011 1250044 1423582 1561348 1875066 2135373 2342022 2847164 3750132 4270746 4684044 8541492 12100447 13615873 24200894 27231746 36301341 40847619 48401788 54463492 72602682 81695238 145205364 163390476 231469841 422092063 462939682 694409523 844184126 925879364 1266276189 1388819046 1688368252 2532552378 2777638092 5065104756 7175565071 14351130142 21526695213 28702260284 43053390426 86106780852