Base | Representation |
---|---|
bin | 10011001101010101… |
… | …01110010001101101 |
3 | 222121200121201101022 |
4 | 21212222232101231 |
5 | 132104434111341 |
6 | 4423142423525 |
7 | 513360016631 |
oct | 114652562155 |
9 | 28550551338 |
10 | 10312410221 |
11 | 44120a5483 |
12 | 1bb9731ba5 |
13 | c84641ba9 |
14 | 6db846dc1 |
15 | 40551de4b |
hex | 266aae46d |
10312410221 has 2 divisors, whose sum is σ = 10312410222. Its totient is φ = 10312410220.
The previous prime is 10312410191. The next prime is 10312410223. The reversal of 10312410221 is 12201421301.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8646954121 + 1665456100 = 92989^2 + 40810^2 .
It is a cyclic number.
It is not a de Polignac number, because 10312410221 - 210 = 10312409197 is a prime.
Together with 10312410223, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 10312410221.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10312410223) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156205110 + 5156205111.
It is an arithmetic number, because the mean of its divisors is an integer number (5156205111).
Almost surely, 210312410221 is an apocalyptic number.
It is an amenable number.
10312410221 is a deficient number, since it is larger than the sum of its proper divisors (1).
10312410221 is an equidigital number, since it uses as much as digits as its factorization.
10312410221 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 10312410221 its reverse (12201421301), we get a palindrome (22513831522).
The spelling of 10312410221 in words is "ten billion, three hundred twelve million, four hundred ten thousand, two hundred twenty-one".
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