Base | Representation |
---|---|
bin | 10010110001101… |
… | …011100001011101 |
3 | 210221202022220001 |
4 | 102301223201131 |
5 | 1121120410323 |
6 | 51131454301 |
7 | 10543365604 |
oct | 2261534135 |
9 | 727668801 |
10 | 315013213 |
11 | 1518a90a9 |
12 | 895b7391 |
13 | 50356468 |
14 | 2dba0a3b |
15 | 1c9c73ad |
hex | 12c6b85d |
315013213 has 16 divisors (see below), whose sum is σ = 342005760. Its totient is φ = 289046016.
The previous prime is 315013201. The next prime is 315013229. The reversal of 315013213 is 312310513.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-315013213 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 (315013253) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126145 + ... + 128617.
It is an arithmetic number, because the mean of its divisors is an integer number (21375360).
Almost surely, 2315013213 is an apocalyptic number.
It is an amenable number.
315013213 is a deficient number, since it is larger than the sum of its proper divisors (26992547).
315013213 is a wasteful number, since it uses less digits than its factorization.
315013213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2676.
The product of its (nonzero) digits is 270, while the sum is 19.
The square root of 315013213 is about 17748.6115795011. The cubic root of 315013213 is about 680.4187249511.
Adding to 315013213 its reverse (312310513), we get a palindrome (627323726).
The spelling of 315013213 in words is "three hundred fifteen million, thirteen thousand, two hundred thirteen".
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