Base | Representation |
---|---|
bin | 1100011001100100001… |
… | …1011100100111111000 |
3 | 202100211210222221202221 |
4 | 3012121003130213320 |
5 | 11442231412341344 |
6 | 241505515533424 |
7 | 21250602311416 |
oct | 3063103344770 |
9 | 670753887687 |
10 | 213021215224 |
11 | 82383a169a4 |
12 | 3535045a274 |
13 | 1711ac0b45c |
14 | a44b5b02b6 |
15 | 581b6b7184 |
hex | 31990dc9f8 |
213021215224 has 64 divisors (see below), whose sum is σ = 414289935360. Its totient is φ = 102578315520.
The previous prime is 213021215219. The next prime is 213021215237. The reversal of 213021215224 is 422512120312.
213021215224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50512764 + ... + 50516980.
It is an arithmetic number, because the mean of its divisors is an integer number (6473280240).
Almost surely, 2213021215224 is an apocalyptic number.
It is an amenable number.
213021215224 is a deficient number, since it is larger than the sum of its proper divisors (201268720136).
213021215224 is a wasteful number, since it uses less digits than its factorization.
213021215224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5188 (or 5184 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 25.
Adding to 213021215224 its reverse (422512120312), we get a palindrome (635533335536).
The spelling of 213021215224 in words is "two hundred thirteen billion, twenty-one million, two hundred fifteen thousand, two hundred twenty-four".
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