Base | Representation |
---|---|
bin | 1001101001101001000100… |
… | …11000010100101011000101 |
3 | 2210010210201101021011222200 |
4 | 10310310202120110223011 |
5 | 10240200134103223023 |
6 | 113045131253545113 |
7 | 4320145124312223 |
oct | 464644230245305 |
9 | 83123641234880 |
10 | 21222010211013 |
11 | 6842227564467 |
12 | 2468b74345199 |
13 | bac2c4887331 |
14 | 535217a23b13 |
15 | 26c07701a743 |
hex | 134d22614ac5 |
21222010211013 has 24 divisors (see below), whose sum is σ = 32050390200192. Its totient is φ = 13505971684128.
The previous prime is 21222010211011. The next prime is 21222010211023. The reversal of 21222010211013 is 31011201022212.
21222010211013 is a `hidden beast` number, since 212 + 220 + 10 + 211 + 0 + 13 = 666.
It is not a de Polignac number, because 21222010211013 - 21 = 21222010211011 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21222010211011) 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 23 ways as a sum of consecutive naturals, for example, 101806206 + ... + 102014447.
It is an arithmetic number, because the mean of its divisors is an integer number (1335432925008).
Almost surely, 221222010211013 is an apocalyptic number.
21222010211013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
21222010211013 is a deficient number, since it is larger than the sum of its proper divisors (10828379989179).
21222010211013 is a wasteful number, since it uses less digits than its factorization.
21222010211013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 203821185 (or 203821182 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
Adding to 21222010211013 its reverse (31011201022212), we get a palindrome (52233211233225).
The spelling of 21222010211013 in words is "twenty-one trillion, two hundred twenty-two billion, ten million, two hundred eleven thousand, thirteen".
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