Base | Representation |
---|---|
bin | 1100010110001000111… |
… | …0010111010110101101 |
3 | 202021110201001221221202 |
4 | 3011202032113112231 |
5 | 11433340420032344 |
6 | 241234335335245 |
7 | 21216032363336 |
oct | 3054216272655 |
9 | 667421057852 |
10 | 212101330349 |
11 | 81a51742867 |
12 | 35134381525 |
13 | 17002471b8c |
14 | a3a135928d |
15 | 57b5a5d94e |
hex | 31623975ad |
212101330349 has 2 divisors, whose sum is σ = 212101330350. Its totient is φ = 212101330348.
The previous prime is 212101330327. The next prime is 212101330367. The reversal of 212101330349 is 943033101212.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 115810896100 + 96290434249 = 340310^2 + 310307^2 .
It is a cyclic number.
It is not a de Polignac number, because 212101330349 - 220 = 212100281773 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (212101930349) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050665174 + 106050665175.
It is an arithmetic number, because the mean of its divisors is an integer number (106050665175).
Almost surely, 2212101330349 is an apocalyptic number.
It is an amenable number.
212101330349 is a deficient number, since it is larger than the sum of its proper divisors (1).
212101330349 is an equidigital number, since it uses as much as digits as its factorization.
212101330349 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3888, while the sum is 29.
The spelling of 212101330349 in words is "two hundred twelve billion, one hundred one million, three hundred thirty thousand, three hundred forty-nine".
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