Base | Representation |
---|---|
bin | 101110100010… |
… | …100001001011 |
3 | 211221211021021 |
4 | 232202201023 |
5 | 11110400021 |
6 | 1113253311 |
7 | 205461355 |
oct | 56424113 |
9 | 24854237 |
10 | 12200011 |
11 | 698305a |
12 | 4104237 |
13 | 26b2055 |
14 | 18980d5 |
15 | 110ec41 |
hex | ba284b |
12200011 has 2 divisors, whose sum is σ = 12200012. Its totient is φ = 12200010.
The previous prime is 12200009. The next prime is 12200029. The reversal of 12200011 is 11000221.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12200011 - 21 = 12200009 is a prime.
Together with 12200009, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 12199967 and 12200003.
It is not a weakly prime, because it can be changed into another prime (12203011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100005 + 6100006.
It is an arithmetic number, because the mean of its divisors is an integer number (6100006).
Almost surely, 212200011 is an apocalyptic number.
12200011 is a deficient number, since it is larger than the sum of its proper divisors (1).
12200011 is an equidigital number, since it uses as much as digits as its factorization.
12200011 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4, while the sum is 7.
The square root of 12200011 is about 3492.8514139597. The cubic root of 12200011 is about 230.2078209844.
Adding to 12200011 its reverse (11000221), we get a palindrome (23200232).
The spelling of 12200011 in words is "twelve million, two hundred thousand, eleven".
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