Base | Representation |
---|---|
bin | 110100100100101110010010… |
… | …111101100110100010010001 |
3 | 1010022200121110211100222221212 |
4 | 310210232102331212202101 |
5 | 220301320204140033241 |
6 | 2135433533440425505 |
7 | 66463145311444061 |
oct | 6444562275464221 |
9 | 1108617424328855 |
10 | 231222030002321 |
11 | 67746791a99286 |
12 | 21b24466018295 |
13 | 9c031b4110b57 |
14 | 41152c52493a1 |
15 | 1bae937b0bbeb |
hex | d24b92f66891 |
231222030002321 has 2 divisors, whose sum is σ = 231222030002322. Its totient is φ = 231222030002320.
The previous prime is 231222030002311. The next prime is 231222030002333. The reversal of 231222030002321 is 123200030222132.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 181563794142721 + 49658235859600 = 13474561^2 + 7046860^2 .
It is a cyclic number.
It is not a de Polignac number, because 231222030002321 - 238 = 230947152095377 is a prime.
It is not a weakly prime, because it can be changed into another prime (231222030002311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115611015001160 + 115611015001161.
It is an arithmetic number, because the mean of its divisors is an integer number (115611015001161).
Almost surely, 2231222030002321 is an apocalyptic number.
It is an amenable number.
231222030002321 is a deficient number, since it is larger than the sum of its proper divisors (1).
231222030002321 is an equidigital number, since it uses as much as digits as its factorization.
231222030002321 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 231222030002321 its reverse (123200030222132), we get a palindrome (354422060224453).
The spelling of 231222030002321 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, thirty million, two thousand, three hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •