Base | Representation |
---|---|
bin | 111100101001100011… |
… | …1010000101110010001 |
3 | 110110011212222211121101 |
4 | 1321103013100232101 |
5 | 4113214304300223 |
6 | 135455532424401 |
7 | 12260360620432 |
oct | 1712307205621 |
9 | 413155884541 |
10 | 130243431313 |
11 | 50266026736 |
12 | 212aa318101 |
13 | c388457428 |
14 | 6437955489 |
15 | 35c43eb4ad |
hex | 1e531d0b91 |
130243431313 has 2 divisors, whose sum is σ = 130243431314. Its totient is φ = 130243431312.
The previous prime is 130243431271. The next prime is 130243431319. The reversal of 130243431313 is 313134342031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 80189213329 + 50054217984 = 283177^2 + 223728^2 .
It is a cyclic number.
It is not a de Polignac number, because 130243431313 - 221 = 130241334161 is a prime.
It is not a weakly prime, because it can be changed into another prime (130243431319) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65121715656 + 65121715657.
It is an arithmetic number, because the mean of its divisors is an integer number (65121715657).
Almost surely, 2130243431313 is an apocalyptic number.
It is an amenable number.
130243431313 is a deficient number, since it is larger than the sum of its proper divisors (1).
130243431313 is an equidigital number, since it uses as much as digits as its factorization.
130243431313 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7776, while the sum is 28.
Adding to 130243431313 its reverse (313134342031), we get a palindrome (443377773344).
The spelling of 130243431313 in words is "one hundred thirty billion, two hundred forty-three million, four hundred thirty-one thousand, three hundred thirteen".
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