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8238936086 = 261669110093
BaseRepresentation
bin1111010110001010…
…00011000000010110
3210021012000022120222
413223011003000112
5113333131423321
63441312554342
7411111541553
oct75305030026
923235008528
108238936086
113548734697
12171b2529b2
13a13bb0914
14582303a2a
153334963ab
hex1eb143016

8238936086 has 16 divisors (see below), whose sum is σ = 12564122928. Its totient is φ = 4050928800.

The previous prime is 8238936073. The next prime is 8238936109. The reversal of 8238936086 is 6806398328.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 811256 + ... + 821348.

It is an arithmetic number, because the mean of its divisors is an integer number (785257683).

Almost surely, 28238936086 is an apocalyptic number.

8238936086 is a deficient number, since it is larger than the sum of its proper divisors (4325186842).

8238936086 is a wasteful number, since it uses less digits than its factorization.

8238936086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16847.

The product of its (nonzero) digits is 2985984, while the sum is 53.

The square root of 8238936086 is about 90768.5853475750. The cubic root of 8238936086 is about 2019.7163348691.

The spelling of 8238936086 in words is "eight billion, two hundred thirty-eight million, nine hundred thirty-six thousand, eighty-six".

Divisors: 1 2 61 122 6691 10093 13382 20186 408151 615673 816302 1231346 67532263 135064526 4119468043 8238936086