Base | Representation |
---|---|
bin | 11001010011101… |
… | …11001101101011 |
3 | 112210110222202002 |
4 | 30221313031223 |
5 | 413322110101 |
6 | 33022201215 |
7 | 5155345223 |
oct | 1451671553 |
9 | 483428662 |
10 | 212300651 |
11 | a9924692 |
12 | 5b12320b |
13 | 34ca30b4 |
14 | 202a5083 |
15 | 13988d6b |
hex | ca7736b |
212300651 has 2 divisors, whose sum is σ = 212300652. Its totient is φ = 212300650.
The previous prime is 212300639. The next prime is 212300653. The reversal of 212300651 is 156003212.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 212300651 - 222 = 208106347 is a prime.
Together with 212300653, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (212300653) 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, 106150325 + 106150326.
It is an arithmetic number, because the mean of its divisors is an integer number (106150326).
Almost surely, 2212300651 is an apocalyptic number.
212300651 is a deficient number, since it is larger than the sum of its proper divisors (1).
212300651 is an equidigital number, since it uses as much as digits as its factorization.
212300651 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 360, while the sum is 20.
The square root of 212300651 is about 14570.5405184571. The cubic root of 212300651 is about 596.5549339102.
Adding to 212300651 its reverse (156003212), we get a palindrome (368303863).
The spelling of 212300651 in words is "two hundred twelve million, three hundred thousand, six hundred fifty-one".
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