Base | Representation |
---|---|
bin | 10001101000111101100… |
… | …010000111110000001101 |
3 | 11021212221012212111212211 |
4 | 101220331202013300031 |
5 | 124330103030213201 |
6 | 2324514422230421 |
7 | 153402525420523 |
oct | 21507542076015 |
9 | 4255835774784 |
10 | 1212213132301 |
11 | 428107790166 |
12 | 176b27885411 |
13 | 8a407954002 |
14 | 42958586313 |
15 | 217ec00b651 |
hex | 11a3d887c0d |
1212213132301 has 2 divisors, whose sum is σ = 1212213132302. Its totient is φ = 1212213132300.
The previous prime is 1212213132289. The next prime is 1212213132323. The reversal of 1212213132301 is 1032313122121.
It is an a-pointer prime, because the next prime (1212213132323) can be obtained adding 1212213132301 to its sum of digits (22).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1002862044900 + 209351087401 = 1001430^2 + 457549^2 .
It is a cyclic number.
It is not a de Polignac number, because 1212213132301 - 217 = 1212213001229 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1212213132601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606106566150 + 606106566151.
It is an arithmetic number, because the mean of its divisors is an integer number (606106566151).
Almost surely, 21212213132301 is an apocalyptic number.
It is an amenable number.
1212213132301 is a deficient number, since it is larger than the sum of its proper divisors (1).
1212213132301 is an equidigital number, since it uses as much as digits as its factorization.
1212213132301 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 1212213132301 its reverse (1032313122121), we get a palindrome (2244526254422).
The spelling of 1212213132301 in words is "one trillion, two hundred twelve billion, two hundred thirteen million, one hundred thirty-two thousand, three hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.089 sec. • engine limits •