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8085745863 = 34137678771
BaseRepresentation
bin1111000011111001…
…01011000011000111
3202212111202110010000
413201330223003013
5113024422331423
63414201332343
7404241464046
oct74174530307
922774673100
108085745863
11347a2135a8
121697a970b3
139bb235910
14569c2855d
15324cd6843
hex1e1f2b0c7

8085745863 has 20 divisors (see below), whose sum is σ = 13007839768. Its totient is φ = 4975842960.

The previous prime is 8085745799. The next prime is 8085745883. The reversal of 8085745863 is 3685475808.

8085745863 is a `hidden beast` number, since 8 + 0 + 8 + 57 + 4 + 586 + 3 = 666.

It is not a de Polignac number, because 8085745863 - 26 = 8085745799 is a prime.

It is a super-2 number, since 2×80857458632 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8085745883) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3838333 + ... + 3840438.

Almost surely, 28085745863 is an apocalyptic number.

8085745863 is a deficient number, since it is larger than the sum of its proper divisors (4922093905).

8085745863 is a wasteful number, since it uses less digits than its factorization.

8085745863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7678796 (or 7678787 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The square root of 8085745863 is about 89920.7754804194. The cubic root of 8085745863 is about 2007.1201105164.

The spelling of 8085745863 in words is "eight billion, eighty-five million, seven hundred forty-five thousand, eight hundred sixty-three".

Divisors: 1 3 9 13 27 39 81 117 351 1053 7678771 23036313 69108939 99824023 207326817 299472069 621980451 898416207 2695248621 8085745863