Base | Representation |
---|---|
bin | 10010110001101… |
… | …011100001011100 |
3 | 210221202022220000 |
4 | 102301223201130 |
5 | 1121120410322 |
6 | 51131454300 |
7 | 10543365603 |
oct | 2261534134 |
9 | 727668800 |
10 | 315013212 |
11 | 1518a90a8 |
12 | 895b7390 |
13 | 50356467 |
14 | 2dba0a3a |
15 | 1c9c73ac |
hex | 12c6b85c |
315013212 has 30 divisors (see below), whose sum is σ = 823507608. Its totient is φ = 105004296.
The previous prime is 315013201. The next prime is 315013229. The reversal of 315013212 is 212310513.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 485808 + ... + 486455.
Almost surely, 2315013212 is an apocalyptic number.
It is an amenable number.
315013212 is an abundant number, since it is smaller than the sum of its proper divisors (508494396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315013212 is a wasteful number, since it uses less digits than its factorization.
315013212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 972279 (or 972268 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 315013212 is about 17748.6115513299. The cubic root of 315013212 is about 680.4187242311.
Adding to 315013212 its reverse (212310513), we get a palindrome (527323725).
The spelling of 315013212 in words is "three hundred fifteen million, thirteen thousand, two hundred twelve".
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