Base | Representation |
---|---|
bin | 10001100100110110… |
… | …111111000100011100 |
3 | 1210201020000011212011 |
4 | 101210312333010130 |
5 | 302122213124032 |
6 | 12400352321004 |
7 | 1235444252266 |
oct | 214466770434 |
9 | 53636004764 |
10 | 18872004892 |
11 | 8004833664 |
12 | 37a8243164 |
13 | 1a19aa4700 |
14 | cb057ab36 |
15 | 756c05247 |
hex | 464dbf11c |
18872004892 has 36 divisors (see below), whose sum is σ = 36436712760. Its totient is φ = 8545797312.
The previous prime is 18872004829. The next prime is 18872004901. The reversal of 18872004892 is 29840027881.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227542 + ... + 299197.
It is an arithmetic number, because the mean of its divisors is an integer number (1012130910).
Almost surely, 218872004892 is an apocalyptic number.
It is an amenable number.
18872004892 is a deficient number, since it is larger than the sum of its proper divisors (17564707868).
18872004892 is a wasteful number, since it uses less digits than its factorization.
18872004892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 526822 (or 526807 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 49.
The spelling of 18872004892 in words is "eighteen billion, eight hundred seventy-two million, four thousand, eight hundred ninety-two".
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