Base | Representation |
---|---|
bin | 10110010111110111… |
… | …01000000111111111 |
3 | 1011000002110022022002 |
4 | 23023323220013333 |
5 | 144044400342122 |
6 | 5303512412515 |
7 | 603436464542 |
oct | 131373500777 |
9 | 34002408262 |
10 | 12011340287 |
11 | 51040a7811 |
12 | 23b26a713b |
13 | 119560545b |
14 | 81d330859 |
15 | 4a4760992 |
hex | 2cbee81ff |
12011340287 has 2 divisors, whose sum is σ = 12011340288. Its totient is φ = 12011340286.
The previous prime is 12011340283. The next prime is 12011340317. The reversal of 12011340287 is 78204311021.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12011340287 - 22 = 12011340283 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12011340283) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005670143 + 6005670144.
It is an arithmetic number, because the mean of its divisors is an integer number (6005670144).
Almost surely, 212011340287 is an apocalyptic number.
12011340287 is a deficient number, since it is larger than the sum of its proper divisors (1).
12011340287 is an equidigital number, since it uses as much as digits as its factorization.
12011340287 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2688, while the sum is 29.
The spelling of 12011340287 in words is "twelve billion, eleven million, three hundred forty thousand, two hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •