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18081083 is a prime number
BaseRepresentation
bin100010011111…
…0010100111011
31021000121120202
41010332110323
514112043313
61443312415
7306454346
oct104762473
937017522
1018081083
11a22a649
12607b70b
133990b87
14258945d
1518c2558
hex113e53b

18081083 has 2 divisors, whose sum is σ = 18081084. Its totient is φ = 18081082.

The previous prime is 18081079. The next prime is 18081097. The reversal of 18081083 is 38018081.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (38018081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18081083 - 22 = 18081079 is a prime.

It is not a weakly prime, because it can be changed into another prime (18081023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9040541 + 9040542.

It is an arithmetic number, because the mean of its divisors is an integer number (9040542).

Almost surely, 218081083 is an apocalyptic number.

18081083 is a deficient number, since it is larger than the sum of its proper divisors (1).

18081083 is an equidigital number, since it uses as much as digits as its factorization.

18081083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 18081083 is about 4252.1856732744. The cubic root of 18081083 is about 262.4670640461.

The spelling of 18081083 in words is "eighteen million, eighty-one thousand, eighty-three".