Base | Representation |
---|---|
bin | 10011010110110111011… |
… | …010101001011011010101 |
3 | 11201011112110120201211011 |
4 | 103112313122221123111 |
5 | 133243243330013141 |
6 | 2455032352212221 |
7 | 165051100243441 |
oct | 23266732513325 |
9 | 4634473521734 |
10 | 1330222110421 |
11 | 473164780056 |
12 | 19598083a071 |
13 | 985934b8709 |
14 | 485512cd821 |
15 | 249072c4881 |
hex | 135b76a96d5 |
1330222110421 has 2 divisors, whose sum is σ = 1330222110422. Its totient is φ = 1330222110420.
The previous prime is 1330222110391. The next prime is 1330222110449. The reversal of 1330222110421 is 1240112220331.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 958627019025 + 371595091396 = 979095^2 + 609586^2 .
It is an emirp because it is prime and its reverse (1240112220331) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1330222110421 - 217 = 1330221979349 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1330222110392 and 1330222110401.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1330225110421) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665111055210 + 665111055211.
It is an arithmetic number, because the mean of its divisors is an integer number (665111055211).
Almost surely, 21330222110421 is an apocalyptic number.
It is an amenable number.
1330222110421 is a deficient number, since it is larger than the sum of its proper divisors (1).
1330222110421 is an equidigital number, since it uses as much as digits as its factorization.
1330222110421 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 1330222110421 its reverse (1240112220331), we get a palindrome (2570334330752).
The spelling of 1330222110421 in words is "one trillion, three hundred thirty billion, two hundred twenty-two million, one hundred ten thousand, four hundred twenty-one".
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