Base | Representation |
---|---|
bin | 111110101001101… |
… | …0101010111001001 |
3 | 12102111200212000122 |
4 | 1331103111113021 |
5 | 13301132021413 |
6 | 544333513025 |
7 | 103044401651 |
oct | 17523252711 |
9 | 5374625018 |
10 | 2102220233 |
11 | 9897151a3 |
12 | 4a8042775 |
13 | 2766b75c9 |
14 | 15d2a7361 |
15 | c4855108 |
hex | 7d4d55c9 |
2102220233 has 2 divisors, whose sum is σ = 2102220234. Its totient is φ = 2102220232.
The previous prime is 2102220227. The next prime is 2102220251. The reversal of 2102220233 is 3320222012.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1545826489 + 556393744 = 39317^2 + 23588^2 .
It is a cyclic number.
It is not a de Polignac number, because 2102220233 - 222 = 2098025929 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (2102220203) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051110116 + 1051110117.
It is an arithmetic number, because the mean of its divisors is an integer number (1051110117).
Almost surely, 22102220233 is an apocalyptic number.
It is an amenable number.
2102220233 is a deficient number, since it is larger than the sum of its proper divisors (1).
2102220233 is an equidigital number, since it uses as much as digits as its factorization.
2102220233 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 2102220233 is about 45849.9752780740. The cubic root of 2102220233 is about 1281.0303051018.
Adding to 2102220233 its reverse (3320222012), we get a palindrome (5422442245).
The spelling of 2102220233 in words is "two billion, one hundred two million, two hundred twenty thousand, two hundred thirty-three".
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