Base | Representation |
---|---|
bin | 1001101011111110011110… |
… | …11000100001011100011111 |
3 | 2210102110202111011000022222 |
4 | 10311333033120201130133 |
5 | 10243003422331224043 |
6 | 113150034501455555 |
7 | 4326014631354236 |
oct | 465771730413437 |
9 | 83373674130288 |
10 | 21302222133023 |
11 | 68732490566a7 |
12 | 248061b1115bb |
13 | bb6a3888ba90 |
14 | 5390669a5b1d |
15 | 26e1bddead68 |
hex | 135fcf62171f |
21302222133023 has 32 divisors (see below), whose sum is σ = 24512514969600. Its totient is φ = 18361035538560.
The previous prime is 21302222133001. The next prime is 21302222133041. The reversal of 21302222133023 is 32033122220312.
It is not a de Polignac number, because 21302222133023 - 28 = 21302222132767 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 21302222132983 and 21302222133001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21302222133223) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223943 + ... + 6531048.
It is an arithmetic number, because the mean of its divisors is an integer number (766016092800).
Almost surely, 221302222133023 is an apocalyptic number.
21302222133023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
21302222133023 is a deficient number, since it is larger than the sum of its proper divisors (3210292836577).
21302222133023 is a wasteful number, since it uses less digits than its factorization.
21302222133023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6755279.
The product of its (nonzero) digits is 5184, while the sum is 26.
Adding to 21302222133023 its reverse (32033122220312), we get a palindrome (53335344353335).
The spelling of 21302222133023 in words is "twenty-one trillion, three hundred two billion, two hundred twenty-two million, one hundred thirty-three thousand, twenty-three".
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