Base | Representation |
---|---|
bin | 10001011101001011… |
… | …011001011111101011 |
3 | 1210101020112002002210 |
4 | 101131023121133223 |
5 | 301341220411113 |
6 | 12335510300203 |
7 | 1232321022012 |
oct | 213513313753 |
9 | 53336462083 |
10 | 18743138283 |
11 | 7a49016231 |
12 | 3771057663 |
13 | 19c9194a8c |
14 | c9b3d3a79 |
15 | 74a74c6c3 |
hex | 45d2d97eb |
18743138283 has 16 divisors (see below), whose sum is σ = 25036361856. Its totient is φ = 12472694400.
The previous prime is 18743138279. The next prime is 18743138317. The reversal of 18743138283 is 38283134781.
It is not a de Polignac number, because 18743138283 - 22 = 18743138279 is a prime.
It is not an unprimeable number, because it can be changed into a prime (18743138263) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6572808 + ... + 6575658.
It is an arithmetic number, because the mean of its divisors is an integer number (1564772616).
Almost surely, 218743138283 is an apocalyptic number.
18743138283 is a deficient number, since it is larger than the sum of its proper divisors (6293223573).
18743138283 is a wasteful number, since it uses less digits than its factorization.
18743138283 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6074.
The product of its digits is 774144, while the sum is 48.
The spelling of 18743138283 in words is "eighteen billion, seven hundred forty-three million, one hundred thirty-eight thousand, two hundred eighty-three".
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