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18094779359 = 29396156781
BaseRepresentation
bin10000110110100010…
…000110101111011111
31201201001112000212022
4100312202012233133
5244024230414414
612151305530355
71210256041526
oct206642065737
951631460768
1018094779359
117746038608
12360baa39bb
131924a66a47
14c3925d4bd
1570d87b18e
hex436886bdf

18094779359 has 4 divisors (see below), whose sum is σ = 18100939080. Its totient is φ = 18088619640.

The previous prime is 18094779289. The next prime is 18094779433. The reversal of 18094779359 is 95397749081.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18094779359 - 216 = 18094713823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18094779559) 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 3 ways as a sum of consecutive naturals, for example, 3075452 + ... + 3081329.

It is an arithmetic number, because the mean of its divisors is an integer number (4525234770).

Almost surely, 218094779359 is an apocalyptic number.

18094779359 is a deficient number, since it is larger than the sum of its proper divisors (6159721).

18094779359 is an equidigital number, since it uses as much as digits as its factorization.

18094779359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6159720.

The product of its (nonzero) digits is 17146080, while the sum is 62.

The spelling of 18094779359 in words is "eighteen billion, ninety-four million, seven hundred seventy-nine thousand, three hundred fifty-nine".

Divisors: 1 2939 6156781 18094779359