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18193807102 = 216275591213
BaseRepresentation
bin10000111100011011…
…110111011011111110
31201221221212011101111
4100330123313123332
5244230103311402
612205204232234
71212600544252
oct207433673376
951857764344
1018193807102
117796a25619
12363909b67a
13193c429b43
14c4847a262
157173dc9d7
hex43c6f76fe

18193807102 has 8 divisors (see below), whose sum is σ = 27307489176. Its totient is φ = 9091310712.

The previous prime is 18193807091. The next prime is 18193807109. The reversal of 18193807102 is 20170839181.

18193807102 is digitally balanced in base 5, 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (18193807109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2792353 + ... + 2798860.

It is an arithmetic number, because the mean of its divisors is an integer number (3413436147).

Almost surely, 218193807102 is an apocalyptic number.

18193807102 is a deficient number, since it is larger than the sum of its proper divisors (9113682074).

18193807102 is a wasteful number, since it uses less digits than its factorization.

18193807102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5592842.

The product of its (nonzero) digits is 24192, while the sum is 40.

The spelling of 18193807102 in words is "eighteen billion, one hundred ninety-three million, eight hundred seven thousand, one hundred two".

Divisors: 1 2 1627 3254 5591213 11182426 9096903551 18193807102