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18743094093 = 38277554653
BaseRepresentation
bin10001011101001011…
…001110101101001101
31210101020102211111010
4101131023032231031
5301341213002333
612335505315433
71232320446123
oct213513165515
953336384433
1018743094093
117a48a96009
123771035b79
1319c917a929
14c9b3c1913
1574a73e563
hex45d2ceb4d

18743094093 has 8 divisors (see below), whose sum is σ = 25021014048. Its totient is φ = 12480285104.

The previous prime is 18743094079. The next prime is 18743094119. The reversal of 18743094093 is 39049034781.

It is a happy number.

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 18743094093 - 221 = 18740996941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18743094043) by changing a digit.

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, 3774846 + ... + 3779807.

It is an arithmetic number, because the mean of its divisors is an integer number (3127626756).

Almost surely, 218743094093 is an apocalyptic number.

It is an amenable number.

18743094093 is a deficient number, since it is larger than the sum of its proper divisors (6277919955).

18743094093 is an equidigital number, since it uses as much as digits as its factorization.

18743094093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7555483.

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 18743094093 in words is "eighteen billion, seven hundred forty-three million, ninety-four thousand, ninety-three".

Divisors: 1 3 827 2481 7554653 22663959 6247698031 18743094093