Base | Representation |
---|---|
bin | 100111001001011… |
… | …0101011010110101 |
3 | 10101112200202220110 |
4 | 1032102311122311 |
5 | 10142232411440 |
6 | 334202053233 |
7 | 44360035464 |
oct | 11622653265 |
9 | 3345622813 |
10 | 1313560245 |
11 | 61451a288 |
12 | 307aaa219 |
13 | 17c1a51aa |
14 | c66509db |
15 | 7a4bd080 |
hex | 4e4b56b5 |
1313560245 has 16 divisors (see below), whose sum is σ = 2193075072. Its totient is φ = 670105920.
The previous prime is 1313560223. The next prime is 1313560253. The reversal of 1313560245 is 5420653131.
It is not a de Polignac number, because 1313560245 - 29 = 1313559733 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1903366 + ... + 1904055.
It is an arithmetic number, because the mean of its divisors is an integer number (137067192).
Almost surely, 21313560245 is an apocalyptic number.
1313560245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1313560245 is a deficient number, since it is larger than the sum of its proper divisors (879514827).
1313560245 is a wasteful number, since it uses less digits than its factorization.
1313560245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3807452.
The product of its (nonzero) digits is 10800, while the sum is 30.
The square root of 1313560245 is about 36243.0716827368. The cubic root of 1313560245 is about 1095.1745223383.
The spelling of 1313560245 in words is "one billion, three hundred thirteen million, five hundred sixty thousand, two hundred forty-five".
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