Base | Representation |
---|---|
bin | 111110101001101… |
… | …0101010110101011 |
3 | 12102111200211222112 |
4 | 1331103111112223 |
5 | 13301132021303 |
6 | 544333512535 |
7 | 103044401606 |
oct | 17523252653 |
9 | 5374624875 |
10 | 2102220203 |
11 | 989715176 |
12 | 4a804274b |
13 | 2766b75a5 |
14 | 15d2a733d |
15 | c48550d8 |
hex | 7d4d55ab |
2102220203 has 2 divisors, whose sum is σ = 2102220204. Its totient is φ = 2102220202.
The previous prime is 2102220199. The next prime is 2102220227. The reversal of 2102220203 is 3020222012.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2102220203 - 22 = 2102220199 is a prime.
It is a super-2 number, since 2×21022202032 = 8838659563802722418, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2102220233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051110101 + 1051110102.
It is an arithmetic number, because the mean of its divisors is an integer number (1051110102).
Almost surely, 22102220203 is an apocalyptic number.
2102220203 is a deficient number, since it is larger than the sum of its proper divisors (1).
2102220203 is an equidigital number, since it uses as much as digits as its factorization.
2102220203 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 2102220203 is about 45849.9749509201. The cubic root of 2102220203 is about 1281.0302990081.
Adding to 2102220203 its reverse (3020222012), we get a palindrome (5122442215).
The spelling of 2102220203 in words is "two billion, one hundred two million, two hundred twenty thousand, two hundred three".
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