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18307149671105 = 520111820701111
BaseRepresentation
bin1000010100110011101110…
…01001110010101011000001
32101211010221201220121101022
410022121313021302223001
54344421020303433410
6102534104412315225
73566435143445321
oct412316711625301
971733851817338
1018307149671105
1159190227a5249
12207806b472b15
13a2a483b994a9
144740dc2ab281
1521b327098455
hex10a677272ac1

18307149671105 has 8 divisors (see below), whose sum is σ = 21979503824064. Its totient is φ = 14638436924400.

The previous prime is 18307149671053. The next prime is 18307149671149. The reversal of 18307149671105 is 50117694170381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-18307149671105 is a prime.

It is a Duffinian 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, 910340501 + ... + 910360610.

It is an arithmetic number, because the mean of its divisors is an integer number (2747437978008).

Almost surely, 218307149671105 is an apocalyptic number.

It is an amenable number.

18307149671105 is a deficient number, since it is larger than the sum of its proper divisors (3672354152959).

18307149671105 is a wasteful number, since it uses less digits than its factorization.

18307149671105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820703127.

The product of its (nonzero) digits is 1270080, while the sum is 53.

The spelling of 18307149671105 in words is "eighteen trillion, three hundred seven billion, one hundred forty-nine million, six hundred seventy-one thousand, one hundred five".

Divisors: 1 5 2011 10055 1820701111 9103505555 3661429934221 18307149671105