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18095995525 = 5217157127103
BaseRepresentation
bin10000110110100110…
…101111101010000101
31201201010210211010111
4100312212233222011
5244030033324100
612151351553021
71210302265306
oct206646575205
951633724114
1018095995525
117746799303
12361038b771
1319250a147a
14c394987ad
1570da1b6ba
hex4369afa85

18095995525 has 24 divisors (see below), whose sum is σ = 23774978304. Its totient is φ = 13616044800.

The previous prime is 18095995517. The next prime is 18095995529. The reversal of 18095995525 is 52559959081.

It is not a de Polignac number, because 18095995525 - 23 = 18095995517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18095995525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18095995529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 654124 + ... + 681226.

It is an arithmetic number, because the mean of its divisors is an integer number (990624096).

Almost surely, 218095995525 is an apocalyptic number.

It is an amenable number.

18095995525 is a deficient number, since it is larger than the sum of its proper divisors (5678982779).

18095995525 is a wasteful number, since it uses less digits than its factorization.

18095995525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28701 (or 28696 counting only the distinct ones).

The product of its (nonzero) digits is 7290000, while the sum is 58.

The spelling of 18095995525 in words is "eighteen billion, ninety-five million, nine hundred ninety-five thousand, five hundred twenty-five".

Divisors: 1 5 17 25 85 425 1571 7855 26707 27103 39275 133535 135515 460751 667675 677575 2303755 11518775 42578813 212894065 723839821 1064470325 3619199105 18095995525