Base | Representation |
---|---|
bin | 1001000110001010111000… |
… | …01111011000010110001111 |
3 | 2121211021210010002020202211 |
4 | 10203011130033120112033 |
5 | 10110213033304430411 |
6 | 110313203052331251 |
7 | 4133120124402301 |
oct | 443053417302617 |
9 | 77737703066684 |
10 | 20003210233231 |
11 | 641234a76a855 |
12 | 22b090a773b27 |
13 | b213aa3c6324 |
14 | 4d223674b971 |
15 | 24a4e1b06221 |
hex | 12315c3d858f |
20003210233231 has 2 divisors, whose sum is σ = 20003210233232. Its totient is φ = 20003210233230.
The previous prime is 20003210233207. The next prime is 20003210233283. The reversal of 20003210233231 is 13233201230002.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20003210233231 - 25 = 20003210233199 is a prime.
It is a super-2 number, since 2×200032102332312 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20003210233031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001605116615 + 10001605116616.
It is an arithmetic number, because the mean of its divisors is an integer number (10001605116616).
Almost surely, 220003210233231 is an apocalyptic number.
20003210233231 is a deficient number, since it is larger than the sum of its proper divisors (1).
20003210233231 is an equidigital number, since it uses as much as digits as its factorization.
20003210233231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 20003210233231 its reverse (13233201230002), we get a palindrome (33236411463233).
The spelling of 20003210233231 in words is "twenty trillion, three billion, two hundred ten million, two hundred thirty-three thousand, two hundred thirty-one".
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