Base | Representation |
---|---|
bin | 10001101001000010110… |
… | …010000111101010011001 |
3 | 11021220011100121102221111 |
4 | 101221002302013222121 |
5 | 124330243102243223 |
6 | 2324531250140321 |
7 | 153404645165542 |
oct | 21510262075231 |
9 | 4256140542844 |
10 | 1212301212313 |
11 | 42815247aa64 |
12 | 176b512816a1 |
13 | 8a41cc83069 |
14 | 429661534c9 |
15 | 21804b0930d |
hex | 11a42c87a99 |
1212301212313 has 2 divisors, whose sum is σ = 1212301212314. Its totient is φ = 1212301212312.
The previous prime is 1212301212263. The next prime is 1212301212329. The reversal of 1212301212313 is 3132121032121.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1207455938649 + 4845273664 = 1098843^2 + 69608^2 .
It is a cyclic number.
It is not a de Polignac number, because 1212301212313 - 217 = 1212301081241 is a prime.
It is not a weakly prime, because it can be changed into another prime (1212301212113) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606150606156 + 606150606157.
It is an arithmetic number, because the mean of its divisors is an integer number (606150606157).
Almost surely, 21212301212313 is an apocalyptic number.
It is an amenable number.
1212301212313 is a deficient number, since it is larger than the sum of its proper divisors (1).
1212301212313 is an equidigital number, since it uses as much as digits as its factorization.
1212301212313 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 1212301212313 its reverse (3132121032121), we get a palindrome (4344422244434).
The spelling of 1212301212313 in words is "one trillion, two hundred twelve billion, three hundred one million, two hundred twelve thousand, three hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •