Base | Representation |
---|---|
bin | 1000100001001110110010… |
… | …10010111100101010100111 |
3 | 2110022221201112100102212200 |
4 | 10100213121102330222213 |
5 | 4423414211442011212 |
6 | 103502140241345543 |
7 | 3642325635415125 |
oct | 420473122745247 |
9 | 73287645312780 |
10 | 18733998000807 |
11 | 5a73053528081 |
12 | 21269360382b3 |
13 | a5b7ba95314b |
14 | 48aa320b0915 |
15 | 2274aaa676dc |
hex | 1109d94bcaa7 |
18733998000807 has 12 divisors (see below), whose sum is σ = 28236750610224. Its totient is φ = 11946317565600.
The previous prime is 18733998000733. The next prime is 18733998000811. The reversal of 18733998000807 is 70800089933781.
It is not a de Polignac number, because 18733998000807 - 28 = 18733998000551 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18733998000857) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45251202694 + ... + 45251203107.
It is an arithmetic number, because the mean of its divisors is an integer number (2353062550852).
Almost surely, 218733998000807 is an apocalyptic number.
18733998000807 is a deficient number, since it is larger than the sum of its proper divisors (9502752609417).
18733998000807 is a wasteful number, since it uses less digits than its factorization.
18733998000807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90502405830 (or 90502405827 counting only the distinct ones).
The product of its (nonzero) digits is 18289152, while the sum is 63.
The spelling of 18733998000807 in words is "eighteen trillion, seven hundred thirty-three billion, nine hundred ninety-eight million, eight hundred seven", and thus it is an aban number.
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