Base | Representation |
---|---|
bin | 10111101010111011… |
… | …00101001110000101 |
3 | 1012210122112201201212 |
4 | 23311131211032011 |
5 | 202011233412031 |
6 | 5501002501205 |
7 | 626630062022 |
oct | 136535451605 |
9 | 35718481655 |
10 | 12708107141 |
11 | 5431438a94 |
12 | 2567b04805 |
13 | 1276a82032 |
14 | 887aa6549 |
15 | 4e59e512b |
hex | 2f5765385 |
12708107141 has 2 divisors, whose sum is σ = 12708107142. Its totient is φ = 12708107140.
The previous prime is 12708107123. The next prime is 12708107149. The reversal of 12708107141 is 14170180721.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10689492100 + 2018615041 = 103390^2 + 44929^2 .
It is a cyclic number.
It is not a de Polignac number, because 12708107141 - 26 = 12708107077 is a prime.
It is a super-2 number, since 2×127081071412 (a number of 21 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12708107098 and 12708107107.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12708107149) 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, 6354053570 + 6354053571.
It is an arithmetic number, because the mean of its divisors is an integer number (6354053571).
Almost surely, 212708107141 is an apocalyptic number.
It is an amenable number.
12708107141 is a deficient number, since it is larger than the sum of its proper divisors (1).
12708107141 is an equidigital number, since it uses as much as digits as its factorization.
12708107141 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3136, while the sum is 32.
Adding to 12708107141 its reverse (14170180721), we get a palindrome (26878287862).
The spelling of 12708107141 in words is "twelve billion, seven hundred eight million, one hundred seven thousand, one hundred forty-one".
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