Base | Representation |
---|---|
bin | 1001000111010111101001… |
… | …1000110000000011101101 |
3 | 1022111010002012001021122121 |
4 | 2101311322120300003231 |
5 | 2303200442233311341 |
6 | 33152050213312541 |
7 | 2053036520331505 |
oct | 221657230600355 |
9 | 38433065037577 |
10 | 10022212010221 |
11 | 321443a446064 |
12 | 115a456635751 |
13 | 579123bab338 |
14 | 2691130daa05 |
15 | 125a79e9e4d1 |
hex | 91d7a6300ed |
10022212010221 has 2 divisors, whose sum is σ = 10022212010222. Its totient is φ = 10022212010220.
The previous prime is 10022212010219. The next prime is 10022212010231. The reversal of 10022212010221 is 12201021222001.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 8109315554596 + 1912896455625 = 2847686^2 + 1383075^2 .
It is an emirp because it is prime and its reverse (12201021222001) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10022212010221 - 21 = 10022212010219 is a prime.
Together with 10022212010219, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 10022212010195 and 10022212010204.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10022212010231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5011106005110 + 5011106005111.
It is an arithmetic number, because the mean of its divisors is an integer number (5011106005111).
Almost surely, 210022212010221 is an apocalyptic number.
It is an amenable number.
10022212010221 is a deficient number, since it is larger than the sum of its proper divisors (1).
10022212010221 is an equidigital number, since it uses as much as digits as its factorization.
10022212010221 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 10022212010221 its reverse (12201021222001), we get a palindrome (22223233232222).
The spelling of 10022212010221 in words is "ten trillion, twenty-two billion, two hundred twelve million, ten thousand, two hundred twenty-one".
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