Base | Representation |
---|---|
bin | 11101001000100001001… |
… | …010000000101010011101 |
3 | 21002101112120221212112221 |
4 | 131020201022000222131 |
5 | 230300104311012341 |
6 | 4131413340225341 |
7 | 264432461665534 |
oct | 35104112005235 |
9 | 7071476855487 |
10 | 2002011032221 |
11 | 702059043092 |
12 | 28400553b251 |
13 | 116a340a2075 |
14 | 6cc7d9bb31b |
15 | 3712481ded1 |
hex | 1d221280a9d |
2002011032221 has 2 divisors, whose sum is σ = 2002011032222. Its totient is φ = 2002011032220.
The previous prime is 2002011032201. The next prime is 2002011032227. The reversal of 2002011032221 is 1222301102002.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1729672128900 + 272338903321 = 1315170^2 + 521861^2 .
It is a cyclic number.
It is not a de Polignac number, because 2002011032221 - 219 = 2002010507933 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2002011032195 and 2002011032204.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2002011032227) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001005516110 + 1001005516111.
It is an arithmetic number, because the mean of its divisors is an integer number (1001005516111).
Almost surely, 22002011032221 is an apocalyptic number.
It is an amenable number.
2002011032221 is a deficient number, since it is larger than the sum of its proper divisors (1).
2002011032221 is an equidigital number, since it uses as much as digits as its factorization.
2002011032221 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 2002011032221 its reverse (1222301102002), we get a palindrome (3224312134223).
The spelling of 2002011032221 in words is "two trillion, two billion, eleven million, thirty-two thousand, two hundred twenty-one".
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