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18016053 = 3112311601
BaseRepresentation
bin100010010111…
…0011100110101
31020220022101020
41010232130311
514103003203
61442051353
7306063636
oct104563465
936808336
1018016053
11a195800
126049b59
13396a3b3
14256d88d
1518ad153
hex112e735

18016053 has 24 divisors (see below), whose sum is σ = 27272448. Its totient is φ = 10560000.

The previous prime is 18016051. The next prime is 18016057. The reversal of 18016053 is 35061081.

It is not a de Polignac number, because 18016053 - 21 = 18016051 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18016051) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 10453 + ... + 12053.

It is an arithmetic number, because the mean of its divisors is an integer number (1136352).

Almost surely, 218016053 is an apocalyptic number.

It is an amenable number.

18016053 is a deficient number, since it is larger than the sum of its proper divisors (9256395).

18016053 is a wasteful number, since it uses less digits than its factorization.

18016053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 18016053 is about 4244.5321296934. The cubic root of 18016053 is about 262.1520250896.

The spelling of 18016053 in words is "eighteen million, sixteen thousand, fifty-three".

Divisors: 1 3 11 31 33 93 121 341 363 1023 1601 3751 4803 11253 17611 49631 52833 148893 193721 545941 581163 1637823 6005351 18016053