Base | Representation |
---|---|
bin | 10000110101101010… |
… | …011111110111011010 |
3 | 1201200001002102202121 |
4 | 100311222133313122 |
5 | 244012012432302 |
6 | 12150025251454 |
7 | 1210021116526 |
oct | 206552376732 |
9 | 51601072677 |
10 | 18080202202 |
11 | 7738891577 |
12 | 3607033b8a |
13 | 1921a319ca |
14 | c37346d86 |
15 | 70c44be37 |
hex | 435a9fdda |
18080202202 has 8 divisors (see below), whose sum is σ = 28715615316. Its totient is φ = 8508330432.
The previous prime is 18080202197. The next prime is 18080202247. The reversal of 18080202202 is 20220208081.
It can be written as a sum of positive squares in 2 ways, for example, as 17469173241 + 611028961 = 132171^2 + 24719^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265885293 + ... + 265885360.
Almost surely, 218080202202 is an apocalyptic number.
18080202202 is a deficient number, since it is larger than the sum of its proper divisors (10635413114).
18080202202 is a wasteful number, since it uses less digits than its factorization.
18080202202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 531770672.
The product of its (nonzero) digits is 1024, while the sum is 25.
The spelling of 18080202202 in words is "eighteen billion, eighty million, two hundred two thousand, two hundred two".
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