Base | Representation |
---|---|
bin | 10011100101100111… |
… | …000111010010110101 |
3 | 2000021202121122100002 |
4 | 103211213013102311 |
5 | 321033204331031 |
6 | 13354555001045 |
7 | 1343123641535 |
oct | 234547072265 |
9 | 60252548302 |
10 | 21032105141 |
11 | 8a13090983 |
12 | 40ab739185 |
13 | 1ca2476038 |
14 | 10373cd4c5 |
15 | 83168eccb |
hex | 4e59c74b5 |
21032105141 has 8 divisors (see below), whose sum is σ = 21306115200. Its totient is φ = 20758289760.
The previous prime is 21032105077. The next prime is 21032105177. The reversal of 21032105141 is 14150123012.
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 21032105141 - 26 = 21032105077 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21032105041) 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 7 ways as a sum of consecutive naturals, for example, 175481 + ... + 269921.
It is an arithmetic number, because the mean of its divisors is an integer number (2663264400).
Almost surely, 221032105141 is an apocalyptic number.
It is an amenable number.
21032105141 is a deficient number, since it is larger than the sum of its proper divisors (274010059).
21032105141 is an equidigital number, since it uses as much as digits as its factorization.
21032105141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97339.
The product of its (nonzero) digits is 240, while the sum is 20.
Adding to 21032105141 its reverse (14150123012), we get a palindrome (35182228153).
The spelling of 21032105141 in words is "twenty-one billion, thirty-two million, one hundred five thousand, one hundred forty-one".
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