Base | Representation |
---|---|
bin | 10001000111110010… |
… | …101111010110101011 |
3 | 1202110020101212210020 |
4 | 101013302233112223 |
5 | 300122343241213 |
6 | 12240132251523 |
7 | 1220403263604 |
oct | 210762572653 |
9 | 52406355706 |
10 | 18384352683 |
11 | 7884540304 |
12 | 3690a70ba3 |
13 | 196ca539c8 |
14 | c658badab |
15 | 728eca923 |
hex | 447caf5ab |
18384352683 has 32 divisors (see below), whose sum is σ = 24964692480. Its totient is φ = 12032736000.
The previous prime is 18384352603. The next prime is 18384352717. The reversal of 18384352683 is 38625348381.
It is a happy number.
It is not a de Polignac number, because 18384352683 - 213 = 18384344491 is a prime.
It is not an unprimeable number, because it can be changed into a prime (18384352603) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22724383 + ... + 22725191.
It is an arithmetic number, because the mean of its divisors is an integer number (780146640).
Almost surely, 218384352683 is an apocalyptic number.
18384352683 is a deficient number, since it is larger than the sum of its proper divisors (6580339797).
18384352683 is a wasteful number, since it uses less digits than its factorization.
18384352683 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1459.
The product of its digits is 3317760, while the sum is 51.
The spelling of 18384352683 in words is "eighteen billion, three hundred eighty-four million, three hundred fifty-two thousand, six hundred eighty-three".
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