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2018323863 = 32224258207
BaseRepresentation
bin111100001001101…
…0010110110010111
312012122211110211200
41320103102312113
513113142330423
6532135403543
7101005320063
oct17023226627
95178743750
102018323863
11946322656
12483b235b3
132621c189a
141520a8aa3
15bc2d1d43
hex784d2d97

2018323863 has 6 divisors (see below), whose sum is σ = 2915356704. Its totient is φ = 1345549236.

The previous prime is 2018323859. The next prime is 2018323877. The reversal of 2018323863 is 3683238102.

It is not a de Polignac number, because 2018323863 - 22 = 2018323859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018323663) 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 5 ways as a sum of consecutive naturals, for example, 112129095 + ... + 112129112.

It is an arithmetic number, because the mean of its divisors is an integer number (485892784).

Almost surely, 22018323863 is an apocalyptic number.

2018323863 is a deficient number, since it is larger than the sum of its proper divisors (897032841).

2018323863 is a wasteful number, since it uses less digits than its factorization.

2018323863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224258213 (or 224258210 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 2018323863 is about 44925.7594593569. The cubic root of 2018323863 is about 1263.7571284602.

The spelling of 2018323863 in words is "two billion, eighteen million, three hundred twenty-three thousand, eight hundred sixty-three".

Divisors: 1 3 9 224258207 672774621 2018323863