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18339965214 = 2310130263969
BaseRepresentation
bin10001000101001001…
…011010100100011110
31202100010212202121220
4101011021122210132
5300030012341324
612231505034210
71216324063224
oct210511324436
952303782556
1018339965214
11786148334a
12367a025966
1319637b212c
14c5da44b14
1572515db79
hex44525a91e

18339965214 has 16 divisors (see below), whose sum is σ = 37043099280. Its totient is φ = 6052793600.

The previous prime is 18339965179. The next prime is 18339965221. The reversal of 18339965214 is 41256993381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15131379 + ... + 15132590.

It is an arithmetic number, because the mean of its divisors is an integer number (2315193705).

Almost surely, 218339965214 is an apocalyptic number.

18339965214 is an abundant number, since it is smaller than the sum of its proper divisors (18703134066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18339965214 is a wasteful number, since it uses less digits than its factorization.

18339965214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30264075.

The product of its digits is 1399680, while the sum is 51.

The spelling of 18339965214 in words is "eighteen billion, three hundred thirty-nine million, nine hundred sixty-five thousand, two hundred fourteen".

Divisors: 1 2 3 6 101 202 303 606 30263969 60527938 90791907 181583814 3056660869 6113321738 9169982607 18339965214