Base | Representation |
---|---|
bin | 10010101010000… |
… | …101101011101101 |
3 | 210211000020010100 |
4 | 102222011223231 |
5 | 1120113220323 |
6 | 51021101313 |
7 | 10520440056 |
oct | 2252055355 |
9 | 724006110 |
10 | 313023213 |
11 | 150769a78 |
12 | 889b7839 |
13 | 4cb0a749 |
14 | 2d80372d |
15 | 1c732943 |
hex | 12a85aed |
313023213 has 12 divisors (see below), whose sum is σ = 466730368. Its totient is φ = 201950280.
The previous prime is 313023211. The next prime is 313023241. The reversal of 313023213 is 312320313.
It is not a de Polignac number, because 313023213 - 21 = 313023211 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 (313023211) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 560695 + ... + 561252.
Almost surely, 2313023213 is an apocalyptic number.
It is an amenable number.
313023213 is a deficient number, since it is larger than the sum of its proper divisors (153707155).
313023213 is a wasteful number, since it uses less digits than its factorization.
313023213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1121984 (or 1121981 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 313023213 is about 17692.4620389589. The cubic root of 313023213 is about 678.9829179369.
Adding to 313023213 its reverse (312320313), we get a palindrome (625343526).
It can be divided in two parts, 313023 and 213, that added together give a triangular number (313236 = T791).
The spelling of 313023213 in words is "three hundred thirteen million, twenty-three thousand, two hundred thirteen".
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