Base | Representation |
---|---|
bin | 11010010000000… |
… | …00010011011001 |
3 | 120100100102122002 |
4 | 31020000103121 |
5 | 422332432301 |
6 | 33503410345 |
7 | 5312454632 |
oct | 1510002331 |
9 | 510312562 |
10 | 220202201 |
11 | 10333119a |
12 | 618b39b5 |
13 | 3680b77b |
14 | 21360889 |
15 | 144ea16b |
hex | d2004d9 |
220202201 has 2 divisors, whose sum is σ = 220202202. Its totient is φ = 220202200.
The previous prime is 220202189. The next prime is 220202221. The reversal of 220202201 is 102202022.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 160680976 + 59521225 = 12676^2 + 7715^2 .
It is a cyclic number.
It is not a de Polignac number, because 220202201 - 26 = 220202137 is a prime.
It is not a weakly prime, because it can be changed into another prime (220202221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110101100 + 110101101.
It is an arithmetic number, because the mean of its divisors is an integer number (110101101).
Almost surely, 2220202201 is an apocalyptic number.
It is an amenable number.
220202201 is a deficient number, since it is larger than the sum of its proper divisors (1).
220202201 is an equidigital number, since it uses as much as digits as its factorization.
220202201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32, while the sum is 11.
The square root of 220202201 is about 14839.2116030468. The cubic root of 220202201 is about 603.8659638910.
Adding to 220202201 its reverse (102202022), we get a palindrome (322404223).
The spelling of 220202201 in words is "two hundred twenty million, two hundred two thousand, two hundred one".
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