Base | Representation |
---|---|
bin | 10010101010011… |
… | …011101010100101 |
3 | 210211011210122011 |
4 | 102222123222211 |
5 | 1120124111003 |
6 | 51023034221 |
7 | 10521263425 |
oct | 2252335245 |
9 | 724153564 |
10 | 313113253 |
11 | 150820692 |
12 | 88a3b971 |
13 | 4cb3c71b |
14 | 2d828485 |
15 | 1c74e46d |
hex | 12a9baa5 |
313113253 has 4 divisors (see below), whose sum is σ = 313860960. Its totient is φ = 312365548.
The previous prime is 313113247. The next prime is 313113287. The reversal of 313113253 is 352311313.
It is a happy number.
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 313113253 - 25 = 313113221 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313113553) 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, 373225 + ... + 374062.
It is an arithmetic number, because the mean of its divisors is an integer number (78465240).
Almost surely, 2313113253 is an apocalyptic number.
It is an amenable number.
313113253 is a deficient number, since it is larger than the sum of its proper divisors (747707).
313113253 is an equidigital number, since it uses as much as digits as its factorization.
313113253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 747706.
The product of its digits is 810, while the sum is 22.
The square root of 313113253 is about 17695.0064424967. The cubic root of 313113253 is about 679.0480140262.
Adding to 313113253 its reverse (352311313), we get a palindrome (665424566).
It can be divided in two parts, 3131 and 13253, that added together give a 14-th power (16384 = 214).
The spelling of 313113253 in words is "three hundred thirteen million, one hundred thirteen thousand, two hundred fifty-three".
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