Base | Representation |
---|---|
bin | 10000110100100000… |
… | …000001110101101011 |
3 | 1201121200100122002122 |
4 | 100310200001311223 |
5 | 243442013234210 |
6 | 12144051021455 |
7 | 1206363152231 |
oct | 206440016553 |
9 | 51550318078 |
10 | 18060680555 |
11 | 7728868685 |
12 | 360059a88b |
13 | 191a988238 |
14 | c34904951 |
15 | 70a892b55 |
hex | 434801d6b |
18060680555 has 16 divisors (see below), whose sum is σ = 21925144800. Its totient is φ = 14280456960.
The previous prime is 18060680483. The next prime is 18060680579. The reversal of 18060680555 is 55508606081.
It is not a de Polignac number, because 18060680555 - 210 = 18060679531 is a prime.
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, 1355516 + ... + 1368774.
It is an arithmetic number, because the mean of its divisors is an integer number (1370321550).
Almost surely, 218060680555 is an apocalyptic number.
18060680555 is a deficient number, since it is larger than the sum of its proper divisors (3864464245).
18060680555 is a wasteful number, since it uses less digits than its factorization.
18060680555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16414.
The product of its (nonzero) digits is 288000, while the sum is 44.
The spelling of 18060680555 in words is "eighteen billion, sixty million, six hundred eighty thousand, five hundred fifty-five".
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