Base | Representation |
---|---|
bin | 10010101011001… |
… | …100010000111001 |
3 | 210211112220200202 |
4 | 102223030100321 |
5 | 1120201443223 |
6 | 51031211545 |
7 | 10523052656 |
oct | 2253142071 |
9 | 724486622 |
10 | 313312313 |
11 | 1509471a6 |
12 | 88b16bb5 |
13 | 4cbac202 |
14 | 2d87ac2d |
15 | 1c78d428 |
hex | 12acc439 |
313312313 has 4 divisors (see below), whose sum is σ = 313382400. Its totient is φ = 313242228.
The previous prime is 313312303. The next prime is 313312327. The reversal of 313312313 is 313213313.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 313312313 - 24 = 313312297 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (313312303) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27845 + ... + 37442.
It is an arithmetic number, because the mean of its divisors is an integer number (78345600).
Almost surely, 2313312313 is an apocalyptic number.
It is an amenable number.
313312313 is a deficient number, since it is larger than the sum of its proper divisors (70087).
313312313 is an equidigital number, since it uses as much as digits as its factorization.
313312313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70086.
The product of its digits is 486, while the sum is 20.
The square root of 313312313 is about 17700.6302995119. The cubic root of 313312313 is about 679.1918838684.
Adding to 313312313 its reverse (313213313), we get a palindrome (626525626).
The spelling of 313312313 in words is "three hundred thirteen million, three hundred twelve thousand, three hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •