Base | Representation |
---|---|
bin | 10010101011001… |
… | …100001100001101 |
3 | 210211112220021122 |
4 | 102223030030031 |
5 | 1120201441023 |
6 | 51031210325 |
7 | 10523052050 |
oct | 2253141415 |
9 | 724486248 |
10 | 313312013 |
11 | 150946a53 |
12 | 88b169a5 |
13 | 4cbac031 |
14 | 2d87aa97 |
15 | 1c78d2c8 |
hex | 12acc30d |
313312013 has 8 divisors (see below), whose sum is σ = 360685632. Its totient is φ = 266592096.
The previous prime is 313311997. The next prime is 313312039. The reversal of 313312013 is 310213313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 313312013 - 24 = 313311997 is a prime.
It is a super-2 number, since 2×3133120132 = 196328834980224338, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 313311982 and 313312000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313312073) 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 7 ways as a sum of consecutive naturals, for example, 162395 + ... + 164312.
It is an arithmetic number, because the mean of its divisors is an integer number (45085704).
Almost surely, 2313312013 is an apocalyptic number.
It is an amenable number.
313312013 is a deficient number, since it is larger than the sum of its proper divisors (47373619).
313312013 is a wasteful number, since it uses less digits than its factorization.
313312013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 326851.
The product of its (nonzero) digits is 162, while the sum is 17.
The square root of 313312013 is about 17700.6218252354. The cubic root of 313312013 is about 679.1916670905.
Adding to 313312013 its reverse (310213313), we get a palindrome (623525326).
The spelling of 313312013 in words is "three hundred thirteen million, three hundred twelve thousand, thirteen".
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