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8620684793 = 712281100279
BaseRepresentation
bin10000000011101010…
…10011010111111001
3211020210100011100222
420001311103113321
5120123343403133
63543231105425
7423425416550
oct100165232771
924223304328
108620684793
113724174096
121807072275
13a75001a26
145bacb6d97
15356c51e98
hex201d535f9

8620684793 has 8 divisors (see below), whose sum is σ = 9853111680. Its totient is φ = 7388483040.

The previous prime is 8620684757. The next prime is 8620684799. The reversal of 8620684793 is 3974860268.

8620684793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8620684793 - 210 = 8620683769 is a prime.

It is a super-2 number, since 2×86206847932 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8620684799) 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 7 ways as a sum of consecutive naturals, for example, 35828 + ... + 136106.

It is an arithmetic number, because the mean of its divisors is an integer number (1231638960).

Almost surely, 28620684793 is an apocalyptic number.

It is an amenable number.

8620684793 is a deficient number, since it is larger than the sum of its proper divisors (1232426887).

8620684793 is a wasteful number, since it uses less digits than its factorization.

8620684793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112567.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The square root of 8620684793 is about 92847.6429049225. The cubic root of 8620684793 is about 2050.4408960872.

The spelling of 8620684793 in words is "eight billion, six hundred twenty million, six hundred eighty-four thousand, seven hundred ninety-three".

Divisors: 1 7 12281 85967 100279 701953 1231526399 8620684793