Base | Representation |
---|---|
bin | 10000110101011000… |
… | …010110011000001010 |
3 | 1201122201010201202112 |
4 | 100311120112120022 |
5 | 244004303212441 |
6 | 12145335302322 |
7 | 1206632513432 |
oct | 206530263012 |
9 | 51581121675 |
10 | 18075444746 |
11 | 7736132197 |
12 | 360551a9a2 |
13 | 1920a57448 |
14 | c368692c2 |
15 | 70bd0c4eb |
hex | 43561660a |
18075444746 has 32 divisors (see below), whose sum is σ = 29028803328. Its totient is φ = 8420325760.
The previous prime is 18075444689. The next prime is 18075444817. The reversal of 18075444746 is 64744457081.
It is a junction number, because it is equal to n+sod(n) for n = 18075444694 and 18075444703.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1212836 + ... + 1227648.
It is an arithmetic number, because the mean of its divisors is an integer number (907150104).
Almost surely, 218075444746 is an apocalyptic number.
18075444746 is a deficient number, since it is larger than the sum of its proper divisors (10953358582).
18075444746 is a wasteful number, since it uses less digits than its factorization.
18075444746 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15526.
The product of its (nonzero) digits is 3010560, while the sum is 50.
The spelling of 18075444746 in words is "eighteen billion, seventy-five million, four hundred forty-four thousand, seven hundred forty-six".
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