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18057755083 = 34335260051
BaseRepresentation
bin10000110100010100…
…110111100111001011
31201121110212000002211
4100310110313213023
5243440241130313
612143504205551
71206326246164
oct206424674713
951543760084
1018057755083
11772714a735
1235bb6098b7
13191a1a27a4
14c3438276b
1570a4b5e3d
hex4345379cb

18057755083 has 4 divisors (see below), whose sum is σ = 18063018568. Its totient is φ = 18052491600.

The previous prime is 18057755077. The next prime is 18057755117. The reversal of 18057755083 is 38055775081.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-18057755083 is a prime.

It is a super-2 number, since 2×180577550832 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18057755033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2626593 + ... + 2633458.

It is an arithmetic number, because the mean of its divisors is an integer number (4515754642).

Almost surely, 218057755083 is an apocalyptic number.

18057755083 is a deficient number, since it is larger than the sum of its proper divisors (5263485).

18057755083 is an equidigital number, since it uses as much as digits as its factorization.

18057755083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263484.

The product of its (nonzero) digits is 1176000, while the sum is 49.

The spelling of 18057755083 in words is "eighteen billion, fifty-seven million, seven hundred fifty-five thousand, eighty-three".

Divisors: 1 3433 5260051 18057755083