Base | Representation |
---|---|
bin | 111101001110000… |
… | …111000101100011 |
3 | 2122120200112222012 |
4 | 331032013011203 |
5 | 4100414443334 |
6 | 245530303135 |
7 | 34311166343 |
oct | 7516070543 |
9 | 2576615865 |
10 | 1027109219 |
11 | 48785a3a4 |
12 | 247b87aab |
13 | 134a3c446 |
14 | 9a5a6d23 |
15 | 602889ce |
hex | 3d387163 |
1027109219 has 4 divisors (see below), whose sum is σ = 1030212600. Its totient is φ = 1024005840.
The previous prime is 1027109203. The next prime is 1027109227. The reversal of 1027109219 is 9129017201.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1027109219 - 24 = 1027109203 is a prime.
It is a super-2 number, since 2×10271092192 = 2109906695509579922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1027109249) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551194 + ... + 1551855.
It is an arithmetic number, because the mean of its divisors is an integer number (257553150).
Almost surely, 21027109219 is an apocalyptic number.
1027109219 is a deficient number, since it is larger than the sum of its proper divisors (3103381).
1027109219 is an equidigital number, since it uses as much as digits as its factorization.
1027109219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3103380.
The product of its (nonzero) digits is 2268, while the sum is 32.
The square root of 1027109219 is about 32048.5447251509. The cubic root of 1027109219 is about 1008.9559577049.
The spelling of 1027109219 in words is "one billion, twenty-seven million, one hundred nine thousand, two hundred nineteen".
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