Base | Representation |
---|---|
bin | 100111000111011… |
… | …1111011101100111 |
3 | 10101110210120221221 |
4 | 1032032333131213 |
5 | 10142003142212 |
6 | 334124321211 |
7 | 44345341366 |
oct | 11616773547 |
9 | 3343716857 |
10 | 1312552807 |
11 | 6139a1395 |
12 | 3076a3207 |
13 | 17bc11787 |
14 | c646b7dd |
15 | 7a36e807 |
hex | 4e3bf767 |
1312552807 has 2 divisors, whose sum is σ = 1312552808. Its totient is φ = 1312552806.
The previous prime is 1312552783. The next prime is 1312552811. The reversal of 1312552807 is 7082552131.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1312552807 - 219 = 1312028519 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1312552877) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656276403 + 656276404.
It is an arithmetic number, because the mean of its divisors is an integer number (656276404).
Almost surely, 21312552807 is an apocalyptic number.
1312552807 is a deficient number, since it is larger than the sum of its proper divisors (1).
1312552807 is an equidigital number, since it uses as much as digits as its factorization.
1312552807 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 16800, while the sum is 34.
The square root of 1312552807 is about 36229.1706639829. The cubic root of 1312552807 is about 1094.8944685380.
The spelling of 1312552807 in words is "one billion, three hundred twelve million, five hundred fifty-two thousand, eight hundred seven".
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