Base | Representation |
---|---|
bin | 11101001000111010101… |
… | …11111111111000110011 |
3 | 10112201022202110112020102 |
4 | 32210131113333320303 |
5 | 112400444333211402 |
6 | 2043542035503015 |
7 | 132223112240156 |
oct | 16443527777063 |
9 | 3481282415212 |
10 | 1001220210227 |
11 | 3566847859a6 |
12 | 142062757a6b |
13 | 73551018023 |
14 | 36660517c9d |
15 | 1b09d945102 |
hex | e91d5ffe33 |
1001220210227 has 2 divisors, whose sum is σ = 1001220210228. Its totient is φ = 1001220210226.
The previous prime is 1001220210167. The next prime is 1001220210233. The reversal of 1001220210227 is 7220120221001.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1001220210227 - 26 = 1001220210163 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1001220210199 and 1001220210208.
It is not a weakly prime, because it can be changed into another prime (1001220210257) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500610105113 + 500610105114.
It is an arithmetic number, because the mean of its divisors is an integer number (500610105114).
Almost surely, 21001220210227 is an apocalyptic number.
1001220210227 is a deficient number, since it is larger than the sum of its proper divisors (1).
1001220210227 is an equidigital number, since it uses as much as digits as its factorization.
1001220210227 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 224, while the sum is 20.
Adding to 1001220210227 its reverse (7220120221001), we get a palindrome (8221340431228).
The spelling of 1001220210227 in words is "one trillion, one billion, two hundred twenty million, two hundred ten thousand, two hundred twenty-seven".
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