Base | Representation |
---|---|
bin | 1001101001101001000110… |
… | …00101110000101001111011 |
3 | 2210010210202012200022221022 |
4 | 10310310203011300221323 |
5 | 10240200200130401412 |
6 | 113045132401133055 |
7 | 4320145330461362 |
oct | 464644305605173 |
9 | 83123665608838 |
10 | 21222022122107 |
11 | 684223325a444 |
12 | 2468b7832a18b |
13 | bac2c7197a11 |
14 | 5352194447d9 |
15 | 26c0780bea72 |
hex | 134d23170a7b |
21222022122107 has 2 divisors, whose sum is σ = 21222022122108. Its totient is φ = 21222022122106.
The previous prime is 21222022122071. The next prime is 21222022122113. The reversal of 21222022122107 is 70122122022212.
Together with previous prime (21222022122071) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 21222022122107 - 26 = 21222022122043 is a prime.
It is not a weakly prime, because it can be changed into another prime (21222022122187) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10611011061053 + 10611011061054.
It is an arithmetic number, because the mean of its divisors is an integer number (10611011061054).
Almost surely, 221222022122107 is an apocalyptic number.
21222022122107 is a deficient number, since it is larger than the sum of its proper divisors (1).
21222022122107 is an equidigital number, since it uses as much as digits as its factorization.
21222022122107 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1792, while the sum is 26.
Adding to 21222022122107 its reverse (70122122022212), we get a palindrome (91344144144319).
The spelling of 21222022122107 in words is "twenty-one trillion, two hundred twenty-two billion, twenty-two million, one hundred twenty-two thousand, one hundred seven".
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