Base | Representation |
---|---|
bin | 111000110111100001… |
… | …0111000100011110011 |
3 | 102200012220022000211021 |
4 | 1301233002320203303 |
5 | 4000101230024334 |
6 | 132034020400311 |
7 | 11552204550403 |
oct | 1615702704363 |
9 | 380186260737 |
10 | 122122111219 |
11 | 47878825749 |
12 | 1b802546097 |
13 | b692a47594 |
14 | 5ca710a803 |
15 | 329b4393b4 |
hex | 1c6f0b88f3 |
122122111219 has 2 divisors, whose sum is σ = 122122111220. Its totient is φ = 122122111218.
The previous prime is 122122111187. The next prime is 122122111273. The reversal of 122122111219 is 912111221221.
It is a weak prime.
It is an emirp because it is prime and its reverse (912111221221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 122122111219 - 25 = 122122111187 is a prime.
It is a super-2 number, since 2×1221221112192 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122122111193 and 122122111202.
It is not a weakly prime, because it can be changed into another prime (122122111819) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61061055609 + 61061055610.
It is an arithmetic number, because the mean of its divisors is an integer number (61061055610).
Almost surely, 2122122111219 is an apocalyptic number.
122122111219 is a deficient number, since it is larger than the sum of its proper divisors (1).
122122111219 is an equidigital number, since it uses as much as digits as its factorization.
122122111219 is an evil number, because the sum of its binary digits is even.
The product of its digits is 288, while the sum is 25.
The spelling of 122122111219 in words is "one hundred twenty-two billion, one hundred twenty-two million, one hundred eleven thousand, two hundred nineteen".
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