Base | Representation |
---|---|
bin | 10001000011000000… |
… | …011001000000111000 |
3 | 1202020122021211111202 |
4 | 101003000121000320 |
5 | 244441313420422 |
6 | 12224143113332 |
7 | 1215406550003 |
oct | 210300310070 |
9 | 52218254452 |
10 | 18304045112 |
11 | 784317a011 |
12 | 3669ba2848 |
13 | 1959216632 |
14 | c58d7453a |
15 | 721e15b92 |
hex | 443019038 |
18304045112 has 128 divisors (see below), whose sum is σ = 37829332800. Its totient is φ = 8270512128.
The previous prime is 18304045057. The next prime is 18304045147. The reversal of 18304045112 is 21154040381.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79930214 + ... + 79930442.
Almost surely, 218304045112 is an apocalyptic number.
It is an amenable number.
18304045112 is an abundant number, since it is smaller than the sum of its proper divisors (19525287688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18304045112 is a wasteful number, since it uses less digits than its factorization.
18304045112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 505 (or 501 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 29.
Adding to 18304045112 its reverse (21154040381), we get a palindrome (39458085493).
The spelling of 18304045112 in words is "eighteen billion, three hundred four million, forty-five thousand, one hundred twelve".
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