Base | Representation |
---|---|
bin | 10010101010000… |
… | …001011110111101 |
3 | 210210222100112022 |
4 | 102222001132331 |
5 | 1120112143023 |
6 | 51020445525 |
7 | 10520335655 |
oct | 2252013675 |
9 | 723870468 |
10 | 313006013 |
11 | 150758061 |
12 | 889a98a5 |
13 | 4cb02978 |
14 | 2d7db365 |
15 | 1c72c7c8 |
hex | 12a817bd |
313006013 has 4 divisors (see below), whose sum is σ = 320640348. Its totient is φ = 305371680.
The previous prime is 313006009. The next prime is 313006021. The reversal of 313006013 is 310600313.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 45454564 + 267551449 = 6742^2 + 16357^2 .
It is a cyclic number.
It is not a de Polignac number, because 313006013 - 22 = 313006009 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 313005982 and 313006000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313006093) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3817106 + ... + 3817187.
It is an arithmetic number, because the mean of its divisors is an integer number (80160087).
Almost surely, 2313006013 is an apocalyptic number.
It is an amenable number.
313006013 is a deficient number, since it is larger than the sum of its proper divisors (7634335).
313006013 is an equidigital number, since it uses as much as digits as its factorization.
313006013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7634334.
The product of its (nonzero) digits is 162, while the sum is 17.
The square root of 313006013 is about 17691.9759495654. The cubic root of 313006013 is about 678.9704814576.
Adding to 313006013 its reverse (310600313), we get a palindrome (623606326).
The spelling of 313006013 in words is "three hundred thirteen million, six thousand, thirteen".
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