Base | Representation |
---|---|
bin | 1100010101110101110… |
… | …0011011010000011111 |
3 | 202021021010011101010111 |
4 | 3011131130123100133 |
5 | 11433204402132041 |
6 | 241222352350451 |
7 | 21214036605016 |
oct | 3053534332037 |
9 | 667233141114 |
10 | 212021130271 |
11 | 81a10445305 |
12 | 35111545427 |
13 | 16cbb971702 |
14 | a39483da7d |
15 | 57ad9ba981 |
hex | 315d71b41f |
212021130271 has 2 divisors, whose sum is σ = 212021130272. Its totient is φ = 212021130270.
The previous prime is 212021130203. The next prime is 212021130289. The reversal of 212021130271 is 172031120212.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 212021130271 - 215 = 212021097503 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (212021130371) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010565135 + 106010565136.
It is an arithmetic number, because the mean of its divisors is an integer number (106010565136).
Almost surely, 2212021130271 is an apocalyptic number.
212021130271 is a deficient number, since it is larger than the sum of its proper divisors (1).
212021130271 is an equidigital number, since it uses as much as digits as its factorization.
212021130271 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 336, while the sum is 22.
Adding to 212021130271 its reverse (172031120212), we get a palindrome (384052250483).
The spelling of 212021130271 in words is "two hundred twelve billion, twenty-one million, one hundred thirty thousand, two hundred seventy-one".
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