Base | Representation |
---|---|
bin | 10010101011010… |
… | …000101000100100 |
3 | 210211120211020200 |
4 | 102223100220210 |
5 | 1120203031322 |
6 | 51031430500 |
7 | 10523156106 |
oct | 2253205044 |
9 | 724524220 |
10 | 313330212 |
11 | 150959698 |
12 | 88b25430 |
13 | 4cbb73c0 |
14 | 2d883576 |
15 | 1c7938ac |
hex | 12ad0a24 |
313330212 has 72 divisors (see below), whose sum is σ = 856387896. Its totient is φ = 96021504.
The previous prime is 313330169. The next prime is 313330261. The reversal of 313330212 is 212033313.
313330212 is a `hidden beast` number, since 313 + 330 + 21 + 2 = 666.
313330212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 32901696 + 280428516 = 5736^2 + 16746^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128428 + ... + 130844.
Almost surely, 2313330212 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 313330212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428193948).
313330212 is an abundant number, since it is smaller than the sum of its proper divisors (543057684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313330212 is a wasteful number, since it uses less digits than its factorization.
313330212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2717 (or 2712 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 313330212 is about 17701.1358957554. The cubic root of 313330212 is about 679.2048173149.
Adding to 313330212 its reverse (212033313), we get a palindrome (525363525).
The spelling of 313330212 in words is "three hundred thirteen million, three hundred thirty thousand, two hundred twelve".
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