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18017942306 = 271398999683
BaseRepresentation
bin10000110001111100…
…111111101100100010
31201111200221022020112
4100301330333230202
5243400043123211
612135523011322
71205333661020
oct206174775442
951450838215
1018017942306
117706727811
1235aa209b42
131911b73230
14c2cd7b710
15706c4e88b
hex431f3fb22

18017942306 has 16 divisors (see below), whose sum is σ = 33263893824. Its totient is φ = 7127977104.

The previous prime is 18017942297. The next prime is 18017942311. The reversal of 18017942306 is 60324971081.

18017942306 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49499660 + ... + 49500023.

It is an arithmetic number, because the mean of its divisors is an integer number (2078993364).

Almost surely, 218017942306 is an apocalyptic number.

18017942306 is a deficient number, since it is larger than the sum of its proper divisors (15245951518).

18017942306 is a wasteful number, since it uses less digits than its factorization.

18017942306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98999705.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 18017942306 in words is "eighteen billion, seventeen million, nine hundred forty-two thousand, three hundred six".

Divisors: 1 2 7 13 14 26 91 182 98999683 197999366 692997781 1286995879 1385995562 2573991758 9008971153 18017942306