Base | Representation |
---|---|
bin | 11000101000000101… |
… | …11010100001011011 |
3 | 1021010102001001210222 |
4 | 30110002322201123 |
5 | 204034112211303 |
6 | 10023532230255 |
7 | 645430301225 |
oct | 142402724133 |
9 | 37112031728 |
10 | 13221210203 |
11 | 5675034a03 |
12 | 268b90b38b |
13 | 1329174206 |
14 | 8d5cad415 |
15 | 525a9a938 |
hex | 3140ba85b |
13221210203 has 2 divisors, whose sum is σ = 13221210204. Its totient is φ = 13221210202.
The previous prime is 13221210179. The next prime is 13221210217. The reversal of 13221210203 is 30201212231.
It is a strong prime.
It is an emirp because it is prime and its reverse (30201212231) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13221210203 - 222 = 13217015899 is a prime.
It is a super-2 number, since 2×132212102032 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (13221212203) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610605101 + 6610605102.
It is an arithmetic number, because the mean of its divisors is an integer number (6610605102).
Almost surely, 213221210203 is an apocalyptic number.
13221210203 is a deficient number, since it is larger than the sum of its proper divisors (1).
13221210203 is an equidigital number, since it uses as much as digits as its factorization.
13221210203 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 13221210203 its reverse (30201212231), we get a palindrome (43422422434).
The spelling of 13221210203 in words is "thirteen billion, two hundred twenty-one million, two hundred ten thousand, two hundred three".
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