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18013362151 = 292729227611
BaseRepresentation
bin10000110001101011…
…100001011111100111
31201111101022121110011
4100301223201133213
5243342410042101
612135240511051
71205250023551
oct206153413747
951441277404
1018013362151
117704089664
1235a877b487
131910c2b595
14c2c5084d1
15706647751
hex431ae17e7

18013362151 has 8 divisors (see below), whose sum is σ = 18641422800. Its totient is φ = 17385762240.

The previous prime is 18013362137. The next prime is 18013362161. The reversal of 18013362151 is 15126331081.

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 18013362151 - 211 = 18013360103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18013362161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34665 + ... + 192946.

It is an arithmetic number, because the mean of its divisors is an integer number (2330177850).

Almost surely, 218013362151 is an apocalyptic number.

18013362151 is a deficient number, since it is larger than the sum of its proper divisors (628060649).

18013362151 is a wasteful number, since it uses less digits than its factorization.

18013362151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230369.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 18013362151 in words is "eighteen billion, thirteen million, three hundred sixty-two thousand, one hundred fifty-one".

Divisors: 1 29 2729 79141 227611 6600719 621150419 18013362151