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1813614085 = 5479975583
BaseRepresentation
bin110110000011001…
…1000111000000101
311200101122010211001
41230012120320011
512203241122320
6455544013301
762641315423
oct15406307005
94611563731
101813614085
11850813118
12427461231
1322b97893a
14132c1c113
15a934720a
hex6c198e05

1813614085 has 8 divisors (see below), whose sum is σ = 2176819200. Its totient is φ = 1450569744.

The previous prime is 1813614079. The next prime is 1813614137. The reversal of 1813614085 is 5804163181.

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 1813614085 - 29 = 1813613573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13797 + ... + 61786.

It is an arithmetic number, because the mean of its divisors is an integer number (272102400).

Almost surely, 21813614085 is an apocalyptic number.

It is an amenable number.

1813614085 is a deficient number, since it is larger than the sum of its proper divisors (363205115).

1813614085 is an equidigital number, since it uses as much as digits as its factorization.

1813614085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80387.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 1813614085 is about 42586.5481695805. The cubic root of 1813614085 is about 1219.4995002005.

The spelling of 1813614085 in words is "one billion, eight hundred thirteen million, six hundred fourteen thousand, eighty-five".

Divisors: 1 5 4799 23995 75583 377915 362722817 1813614085