Base | Representation |
---|---|
bin | 1100011011000100010… |
… | …0011100110101001100 |
3 | 202101212220011012212102 |
4 | 3012301010130311030 |
5 | 11444043034201104 |
6 | 242013511454232 |
7 | 21263564120231 |
oct | 3066104346514 |
9 | 671786135772 |
10 | 213424131404 |
11 | 825703a3880 |
12 | 35443387378 |
13 | 171835311b3 |
14 | a488cd3788 |
15 | 5841c54a1e |
hex | 31b111cd4c |
213424131404 has 24 divisors (see below), whose sum is σ = 410041280208. Its totient is φ = 96393061440.
The previous prime is 213424131383. The next prime is 213424131409. The reversal of 213424131404 is 404131424312.
It is a super-2 number, since 2×2134241314042 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (213424131409) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15440699 + ... + 15454514.
It is an arithmetic number, because the mean of its divisors is an integer number (17085053342).
Almost surely, 2213424131404 is an apocalyptic number.
It is an amenable number.
213424131404 is a deficient number, since it is larger than the sum of its proper divisors (196617148804).
213424131404 is a wasteful number, since it uses less digits than its factorization.
213424131404 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30895385 (or 30895383 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 29.
Adding to 213424131404 its reverse (404131424312), we get a palindrome (617555555716).
The spelling of 213424131404 in words is "two hundred thirteen billion, four hundred twenty-four million, one hundred thirty-one thousand, four hundred four".
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