Base | Representation |
---|---|
bin | 10000110111000011… |
… | …001110010110111010 |
3 | 1201201122212010020220 |
4 | 100313003032112322 |
5 | 244033441230211 |
6 | 12152220000510 |
7 | 1210422611400 |
oct | 206703162672 |
9 | 51648763226 |
10 | 18103461306 |
11 | 774aa28477 |
12 | 3612990136 |
13 | 19267b66a8 |
14 | c3a47d470 |
15 | 70e4e3806 |
hex | 4370ce5ba |
18103461306 has 48 divisors (see below), whose sum is σ = 43256614176. Its totient is φ = 5032619424.
The previous prime is 18103461283. The next prime is 18103461319. The reversal of 18103461306 is 60316430181.
It is a super-2 number, since 2×181034613062 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 821236 + ... + 842991.
It is an arithmetic number, because the mean of its divisors is an integer number (901179462).
Almost surely, 218103461306 is an apocalyptic number.
18103461306 is an abundant number, since it is smaller than the sum of its proper divisors (25153152870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18103461306 is a wasteful number, since it uses less digits than its factorization.
18103461306 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1664283 (or 1664276 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 33.
Adding to 18103461306 its reverse (60316430181), we get a palindrome (78419891487).
The spelling of 18103461306 in words is "eighteen billion, one hundred three million, four hundred sixty-one thousand, three hundred six".
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