Base | Representation |
---|---|
bin | 100111000010101… |
… | …0110010110101101 |
3 | 10101022001011122101 |
4 | 1032011112112231 |
5 | 10140331301013 |
6 | 333554215101 |
7 | 44315013154 |
oct | 11605262655 |
9 | 3338034571 |
10 | 1310025133 |
11 | 6125252aa |
12 | 306884491 |
13 | 17b538101 |
14 | c5db059b |
15 | 7a0208dd |
hex | 4e1565ad |
1310025133 has 2 divisors, whose sum is σ = 1310025134. Its totient is φ = 1310025132.
The previous prime is 1310025127. The next prime is 1310025137. The reversal of 1310025133 is 3315200131.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 909504964 + 400520169 = 30158^2 + 20013^2 .
It is a cyclic number.
It is not a de Polignac number, because 1310025133 - 221 = 1307927981 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1310025133.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1310025137) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655012566 + 655012567.
It is an arithmetic number, because the mean of its divisors is an integer number (655012567).
Almost surely, 21310025133 is an apocalyptic number.
It is an amenable number.
1310025133 is a deficient number, since it is larger than the sum of its proper divisors (1).
1310025133 is an equidigital number, since it uses as much as digits as its factorization.
1310025133 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 270, while the sum is 19.
The square root of 1310025133 is about 36194.2693392200. The cubic root of 1310025133 is about 1094.1911788076.
Adding to 1310025133 its reverse (3315200131), we get a palindrome (4625225264).
The spelling of 1310025133 in words is "one billion, three hundred ten million, twenty-five thousand, one hundred thirty-three".
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