Base | Representation |
---|---|
bin | 111011111110000… |
… | …0000101011000111 |
3 | 12012020100101001111 |
4 | 1313330000223013 |
5 | 13110112020403 |
6 | 531400505451 |
7 | 100602405625 |
oct | 16774005307 |
9 | 5166311044 |
10 | 2012220103 |
11 | 942933823 |
12 | 481a7b287 |
13 | 260b655aa |
14 | 15135a515 |
15 | bb9c856d |
hex | 77f00ac7 |
2012220103 has 4 divisors (see below), whose sum is σ = 2012757760. Its totient is φ = 2011682448.
The previous prime is 2012220097. The next prime is 2012220121. The reversal of 2012220103 is 3010222102.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3010222102 = 2 ⋅1505111051.
It is a cyclic number.
It is not a de Polignac number, because 2012220103 - 221 = 2010122951 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2012220163) 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 in 3 ways as a sum of consecutive naturals, for example, 263175 + ... + 270712.
It is an arithmetic number, because the mean of its divisors is an integer number (503189440).
Almost surely, 22012220103 is an apocalyptic number.
2012220103 is a deficient number, since it is larger than the sum of its proper divisors (537657).
2012220103 is an equidigital number, since it uses as much as digits as its factorization.
2012220103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 537656.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 2012220103 is about 44857.7763938428. The cubic root of 2012220103 is about 1262.4819021423.
Adding to 2012220103 its reverse (3010222102), we get a palindrome (5022442205).
The spelling of 2012220103 in words is "two billion, twelve million, two hundred twenty thousand, one hundred three".
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