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18130153 is a prime number
BaseRepresentation
bin100010100101…
…0010011101001
31021010002220011
41011022103221
514120131103
61444331521
7310050406
oct105122351
937102804
1018130153
11a2634a8
1260a3ba1
1339aa302
14259d2ad
1518d1d6d
hex114a4e9

18130153 has 2 divisors, whose sum is σ = 18130154. Its totient is φ = 18130152.

The previous prime is 18130129. The next prime is 18130193. The reversal of 18130153 is 35103181.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16670889 + 1459264 = 4083^2 + 1208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-18130153 is a prime.

It is not a weakly prime, because it can be changed into another prime (18130103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9065076 + 9065077.

It is an arithmetic number, because the mean of its divisors is an integer number (9065077).

Almost surely, 218130153 is an apocalyptic number.

It is an amenable number.

18130153 is a deficient number, since it is larger than the sum of its proper divisors (1).

18130153 is an equidigital number, since it uses as much as digits as its factorization.

18130153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 18130153 is about 4257.9517376316. The cubic root of 18130153 is about 262.7042848184.

The spelling of 18130153 in words is "eighteen million, one hundred thirty thousand, one hundred fifty-three".