Base | Representation |
---|---|
bin | 11001010010111… |
… | …10101001000111 |
3 | 112210021212200112 |
4 | 30221132221013 |
5 | 413310400012 |
6 | 33020103235 |
7 | 5154445625 |
oct | 1451365107 |
9 | 483255615 |
10 | 212200007 |
11 | a9866008 |
12 | 5b094b1b |
13 | 34c69346 |
14 | 2027a515 |
15 | 13969122 |
hex | ca5ea47 |
212200007 has 2 divisors, whose sum is σ = 212200008. Its totient is φ = 212200006.
The previous prime is 212199979. The next prime is 212200019. The reversal of 212200007 is 700002212.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 212200007 - 226 = 145091143 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 212199964 and 212200000.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (212200067) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100003 + 106100004.
It is an arithmetic number, because the mean of its divisors is an integer number (106100004).
Almost surely, 2212200007 is an apocalyptic number.
212200007 is a deficient number, since it is larger than the sum of its proper divisors (1).
212200007 is an equidigital number, since it uses as much as digits as its factorization.
212200007 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 56, while the sum is 14.
The square root of 212200007 is about 14567.0864279718. The cubic root of 212200007 is about 596.4606506936.
Adding to 212200007 its reverse (700002212), we get a palindrome (912202219).
The spelling of 212200007 in words is "two hundred twelve million, two hundred thousand, seven".
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