Base | Representation |
---|---|
bin | 10011110001100110… |
… | …010001001110111101 |
3 | 2000210210000211202100 |
4 | 103301212101032331 |
5 | 321441200212201 |
6 | 13430541215313 |
7 | 1351115211132 |
oct | 236146211675 |
9 | 60723024670 |
10 | 21233210301 |
11 | 9006659196 |
12 | 4146b61539 |
13 | 2005029384 |
14 | 1055dbc589 |
15 | 844166886 |
hex | 4f19913bd |
21233210301 has 12 divisors (see below), whose sum is σ = 30673268028. Its totient is φ = 14154054144.
The previous prime is 21233210279. The next prime is 21233210309. The reversal of 21233210301 is 10301233212.
21233210301 is a `hidden beast` number, since 21 + 2 + 332 + 10 + 301 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 5495256900 + 15737953401 = 74130^2 + 125451^2 .
It is not a de Polignac number, because 21233210301 - 221 = 21231113149 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21233210309) 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, 19170 + ... + 206963.
It is an arithmetic number, because the mean of its divisors is an integer number (2556105669).
Almost surely, 221233210301 is an apocalyptic number.
It is an amenable number.
21233210301 is a deficient number, since it is larger than the sum of its proper divisors (9440057727).
21233210301 is a wasteful number, since it uses less digits than its factorization.
21233210301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 236572 (or 236569 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 21233210301 its reverse (10301233212), we get a palindrome (31534443513).
The spelling of 21233210301 in words is "twenty-one billion, two hundred thirty-three million, two hundred ten thousand, three hundred one".
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