Base | Representation |
---|---|
bin | 10011100101001000… |
… | …001111010001001111 |
3 | 2000021012101102201210 |
4 | 103211020033101033 |
5 | 321024121330333 |
6 | 13354105305503 |
7 | 1342665101466 |
oct | 234510172117 |
9 | 60235342653 |
10 | 21024011343 |
11 | 8a09562995 |
12 | 40a8a95293 |
13 | 1ca08a0cca |
14 | 10362c39dd |
15 | 830ae1a63 |
hex | 4e520f44f |
21024011343 has 8 divisors (see below), whose sum is σ = 28050427008. Its totient is φ = 14006801624.
The previous prime is 21024011341. The next prime is 21024011381. The reversal of 21024011343 is 34311042012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 21024011343 - 21 = 21024011341 is a prime.
It is a super-3 number, since 3×210240113433 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21024011341) 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, 2296155 + ... + 2305292.
It is an arithmetic number, because the mean of its divisors is an integer number (3506303376).
Almost surely, 221024011343 is an apocalyptic number.
21024011343 is a deficient number, since it is larger than the sum of its proper divisors (7026415665).
21024011343 is a wasteful number, since it uses less digits than its factorization.
21024011343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4602973.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 21024011343 its reverse (34311042012), we get a palindrome (55335053355).
The spelling of 21024011343 in words is "twenty-one billion, twenty-four million, eleven thousand, three hundred forty-three".
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