Base | Representation |
---|---|
bin | 10011110001011010… |
… | …110101100010110101 |
3 | 2000210120101120122100 |
4 | 103301122311202311 |
5 | 321434413311201 |
6 | 13430353052313 |
7 | 1351050556413 |
oct | 236132654265 |
9 | 60716346570 |
10 | 21230213301 |
11 | 90049a1530 |
12 | 4145b57099 |
13 | 200451a1bb |
14 | 105583c2b3 |
15 | 843c73886 |
hex | 4f16b58b5 |
21230213301 has 12 divisors (see below), whose sum is σ = 33453669600. Its totient is φ = 12866795880.
The previous prime is 21230213281. The next prime is 21230213341. The reversal of 21230213301 is 10331203212.
It is not a de Polignac number, because 21230213301 - 25 = 21230213269 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21230213341) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 107223201 + ... + 107223398.
It is an arithmetic number, because the mean of its divisors is an integer number (2787805800).
Almost surely, 221230213301 is an apocalyptic number.
It is an amenable number.
21230213301 is a deficient number, since it is larger than the sum of its proper divisors (12223456299).
21230213301 is a wasteful number, since it uses less digits than its factorization.
21230213301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 214446616 (or 214446613 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 21230213301 its reverse (10331203212), we get a palindrome (31561416513).
The spelling of 21230213301 in words is "twenty-one billion, two hundred thirty million, two hundred thirteen thousand, three hundred one".
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