Base | Representation |
---|---|
bin | 10111111000001011… |
… | …11100011011100111 |
3 | 1020002101212111222211 |
4 | 23330011330123213 |
5 | 202223223220041 |
6 | 5520015104251 |
7 | 632450454646 |
oct | 137405743347 |
9 | 36071774884 |
10 | 12819351271 |
11 | 548920a391 |
12 | 2599212087 |
13 | 1293b3176c |
14 | 89878335d |
15 | 50066b481 |
hex | 2fc17c6e7 |
12819351271 has 2 divisors, whose sum is σ = 12819351272. Its totient is φ = 12819351270.
The previous prime is 12819351241. The next prime is 12819351299. The reversal of 12819351271 is 17215391821.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12819351271 - 29 = 12819350759 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12819351241) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6409675635 + 6409675636.
It is an arithmetic number, because the mean of its divisors is an integer number (6409675636).
Almost surely, 212819351271 is an apocalyptic number.
12819351271 is a deficient number, since it is larger than the sum of its proper divisors (1).
12819351271 is an equidigital number, since it uses as much as digits as its factorization.
12819351271 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 30240, while the sum is 40.
The spelling of 12819351271 in words is "twelve billion, eight hundred nineteen million, three hundred fifty-one thousand, two hundred seventy-one".
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