Base | Representation |
---|---|
bin | 11001011100111… |
… | …00001001100000 |
3 | 112212201221122101 |
4 | 30232130021200 |
5 | 414124004022 |
6 | 33104020144 |
7 | 5201503321 |
oct | 1456341140 |
9 | 485657571 |
10 | 213500512 |
11 | aa574105 |
12 | 5b601654 |
13 | 35303284 |
14 | 204d8448 |
15 | 13b24627 |
hex | cb9c260 |
213500512 has 12 divisors (see below), whose sum is σ = 420329196. Its totient is φ = 106750240.
The previous prime is 213500477. The next prime is 213500519. The reversal of 213500512 is 215005312.
It is a self number, because there is not a number n which added to its sum of digits gives 213500512.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213500519) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335914 + ... + 3335977.
It is an arithmetic number, because the mean of its divisors is an integer number (35027433).
Almost surely, 2213500512 is an apocalyptic number.
It is an amenable number.
213500512 is a deficient number, since it is larger than the sum of its proper divisors (206828684).
213500512 is an equidigital number, since it uses as much as digits as its factorization.
213500512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6671901 (or 6671893 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 19.
The square root of 213500512 is about 14611.6567164713. The cubic root of 213500512 is about 597.6766744687.
Adding to 213500512 its reverse (215005312), we get a palindrome (428505824).
The spelling of 213500512 in words is "two hundred thirteen million, five hundred thousand, five hundred twelve".
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