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18079141743 = 32132311036091
BaseRepresentation
bin10000110101100110…
…011100111101101111
31201122222002120002100
4100311212130331233
5244011230013433
612145550430143
71210006112025
oct206546347557
951588076070
1018079141743
117738227863
123606802353
131921750110
14c3714c715
1570c2dcb13
hex43599cf6f

18079141743 has 48 divisors (see below), whose sum is σ = 29377281024. Its totient is φ = 10630509120.

The previous prime is 18079141723. The next prime is 18079141771. The reversal of 18079141743 is 34714197081.

It is not a de Polignac number, because 18079141743 - 25 = 18079141711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18079141723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2965128 + ... + 2971218.

It is an arithmetic number, because the mean of its divisors is an integer number (612026688).

Almost surely, 218079141743 is an apocalyptic number.

18079141743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18079141743 is a deficient number, since it is larger than the sum of its proper divisors (11298139281).

18079141743 is a wasteful number, since it uses less digits than its factorization.

18079141743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7236 (or 7233 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 18079141743 in words is "eighteen billion, seventy-nine million, one hundred forty-one thousand, seven hundred forty-three".

Divisors: 1 3 9 13 23 39 69 117 207 299 897 1103 2691 3309 6091 9927 14339 18273 25369 43017 54819 76107 79183 129051 140093 228321 237549 329797 420279 712647 989391 1260837 1821209 2968173 5463627 6718373 16390881 20155119 60465357 87338849 154522579 262016547 463567737 786049641 1390703211 2008793527 6026380581 18079141743