Base | Representation |
---|---|
bin | 111110111100010… |
… | …1001010011000011 |
3 | 12110012002210000101 |
4 | 1331320221103003 |
5 | 13311133014334 |
6 | 545323303231 |
7 | 103223466646 |
oct | 17570512303 |
9 | 5405083011 |
10 | 2112001219 |
11 | 994195859 |
12 | 4ab37ab17 |
13 | 278730583 |
14 | 1606d1a5d |
15 | c5638214 |
hex | 7de294c3 |
2112001219 has 2 divisors, whose sum is σ = 2112001220. Its totient is φ = 2112001218.
The previous prime is 2112001217. The next prime is 2112001223. The reversal of 2112001219 is 9121002112.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2112001219 - 21 = 2112001217 is a prime.
It is a super-2 number, since 2×21120012192 = 8921098298114971922, which contains 22 as substring.
Together with 2112001217, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 2112001196 and 2112001205.
It is not a weakly prime, because it can be changed into another prime (2112001211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056000609 + 1056000610.
It is an arithmetic number, because the mean of its divisors is an integer number (1056000610).
Almost surely, 22112001219 is an apocalyptic number.
2112001219 is a deficient number, since it is larger than the sum of its proper divisors (1).
2112001219 is an equidigital number, since it uses as much as digits as its factorization.
2112001219 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 72, while the sum is 19.
The square root of 2112001219 is about 45956.5144348437. The cubic root of 2112001219 is about 1283.0139788407.
The spelling of 2112001219 in words is "two billion, one hundred twelve million, one thousand, two hundred nineteen".
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