Base | Representation |
---|---|
bin | 1111100010111… |
… | …10111010110101 |
3 | 100002101121220222 |
4 | 13301132322311 |
5 | 231341142323 |
6 | 20535104125 |
7 | 3142325351 |
oct | 761367265 |
9 | 302347828 |
10 | 130412213 |
11 | 67683698 |
12 | 37812045 |
13 | 210312b9 |
14 | 1346a461 |
15 | b6b09c8 |
hex | 7c5eeb5 |
130412213 has 2 divisors, whose sum is σ = 130412214. Its totient is φ = 130412212.
The previous prime is 130412209. The next prime is 130412251. The reversal of 130412213 is 312214031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 66699889 + 63712324 = 8167^2 + 7982^2 .
It is an emirp because it is prime and its reverse (312214031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 130412213 - 22 = 130412209 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130412191 and 130412200.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130412273) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65206106 + 65206107.
It is an arithmetic number, because the mean of its divisors is an integer number (65206107).
Almost surely, 2130412213 is an apocalyptic number.
It is an amenable number.
130412213 is a deficient number, since it is larger than the sum of its proper divisors (1).
130412213 is an equidigital number, since it uses as much as digits as its factorization.
130412213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 130412213 is about 11419.8166797896. The cubic root of 130412213 is about 507.1145696392.
Adding to 130412213 its reverse (312214031), we get a palindrome (442626244).
The spelling of 130412213 in words is "one hundred thirty million, four hundred twelve thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.203 sec. • engine limits •