Base | Representation |
---|---|
bin | 1001000110010001… |
… | …1011110000111111 |
3 | 20022012112000101011 |
4 | 2101210123300333 |
5 | 20000203402411 |
6 | 1042201500051 |
7 | 114343521214 |
oct | 22144336077 |
9 | 6265460334 |
10 | 2442247231 |
11 | 1043648546 |
12 | 581aa1627 |
13 | 2cbc8b308 |
14 | 1924d9b0b |
15 | e461dc21 |
hex | 9191bc3f |
2442247231 has 2 divisors, whose sum is σ = 2442247232. Its totient is φ = 2442247230.
The previous prime is 2442247219. The next prime is 2442247237. The reversal of 2442247231 is 1327422442.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2442247231 is a prime.
It is a super-2 number, since 2×24422472312 = 11929143074654334722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2442247193 and 2442247202.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2442247237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221123615 + 1221123616.
It is an arithmetic number, because the mean of its divisors is an integer number (1221123616).
Almost surely, 22442247231 is an apocalyptic number.
2442247231 is a deficient number, since it is larger than the sum of its proper divisors (1).
2442247231 is an equidigital number, since it uses as much as digits as its factorization.
2442247231 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 21504, while the sum is 31.
The square root of 2442247231 is about 49419.0978367675. The cubic root of 2442247231 is about 1346.6762737513.
Adding to 2442247231 its reverse (1327422442), we get a palindrome (3769669673).
The spelling of 2442247231 in words is "two billion, four hundred forty-two million, two hundred forty-seven thousand, two hundred thirty-one".
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