Base | Representation |
---|---|
bin | 11110111000011101100… |
… | …101011111110101011101 |
3 | 21111212210110220221000011 |
4 | 132320131211133311131 |
5 | 234232241303310323 |
6 | 4302532510003221 |
7 | 306216230114536 |
oct | 36703545376535 |
9 | 7455713827004 |
10 | 2122210213213 |
11 | 74902a3808a2 |
12 | 2a336baa6511 |
13 | 12517b6179bc |
14 | 74a0357168d |
15 | 3a30c01b20d |
hex | 1ee1d95fd5d |
2122210213213 has 2 divisors, whose sum is σ = 2122210213214. Its totient is φ = 2122210213212.
The previous prime is 2122210213169. The next prime is 2122210213243. The reversal of 2122210213213 is 3123120122212.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2122085600644 + 124612569 = 1456738^2 + 11163^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2122210213213 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2122210213243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061105106606 + 1061105106607.
It is an arithmetic number, because the mean of its divisors is an integer number (1061105106607).
Almost surely, 22122210213213 is an apocalyptic number.
It is an amenable number.
2122210213213 is a deficient number, since it is larger than the sum of its proper divisors (1).
2122210213213 is an equidigital number, since it uses as much as digits as its factorization.
2122210213213 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 2122210213213 its reverse (3123120122212), we get a palindrome (5245330335425).
The spelling of 2122210213213 in words is "two trillion, one hundred twenty-two billion, two hundred ten million, two hundred thirteen thousand, two hundred thirteen".
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