Base | Representation |
---|---|
bin | 11000100101110001… |
… | …11000001111100001 |
3 | 1021002001112001001101 |
4 | 30102320320033201 |
5 | 204014130132314 |
6 | 10022000234401 |
7 | 645103316161 |
oct | 142270701741 |
9 | 37061461041 |
10 | 13201802209 |
11 | 5665089442 |
12 | 268530ba01 |
13 | 132513a3ab |
14 | 8d349a5a1 |
15 | 524015174 |
hex | 312e383e1 |
13201802209 has 2 divisors, whose sum is σ = 13201802210. Its totient is φ = 13201802208.
The previous prime is 13201802189. The next prime is 13201802219. The reversal of 13201802209 is 90220810231.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 9657385984 + 3544416225 = 98272^2 + 59535^2 .
It is a cyclic number.
It is not a de Polignac number, because 13201802209 - 213 = 13201794017 is a prime.
It is not a weakly prime, because it can be changed into another prime (13201802219) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6600901104 + 6600901105.
It is an arithmetic number, because the mean of its divisors is an integer number (6600901105).
Almost surely, 213201802209 is an apocalyptic number.
It is an amenable number.
13201802209 is a deficient number, since it is larger than the sum of its proper divisors (1).
13201802209 is an equidigital number, since it uses as much as digits as its factorization.
13201802209 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1728, while the sum is 28.
The spelling of 13201802209 in words is "thirteen billion, two hundred one million, eight hundred two thousand, two hundred nine".
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