Base | Representation |
---|---|
bin | 10110010111111100… |
… | …00101001110000011 |
3 | 1011000010122222221221 |
4 | 23023332011032003 |
5 | 144100031434442 |
6 | 5303534255511 |
7 | 603445114531 |
oct | 131376051603 |
9 | 34003588857 |
10 | 12011983747 |
11 | 51044a71a5 |
12 | 23b2957597 |
13 | 119579c2ba |
14 | 81d45b151 |
15 | 4a483b467 |
hex | 2cbf85383 |
12011983747 has 2 divisors, whose sum is σ = 12011983748. Its totient is φ = 12011983746.
The previous prime is 12011983741. The next prime is 12011983769. The reversal of 12011983747 is 74738911021.
It is a weak prime.
It is an emirp because it is prime and its reverse (74738911021) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12011983747 - 231 = 9864500099 is a prime.
It is not a weakly prime, because it can be changed into another prime (12011983741) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005991873 + 6005991874.
It is an arithmetic number, because the mean of its divisors is an integer number (6005991874).
Almost surely, 212011983747 is an apocalyptic number.
12011983747 is a deficient number, since it is larger than the sum of its proper divisors (1).
12011983747 is an equidigital number, since it uses as much as digits as its factorization.
12011983747 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 84672, while the sum is 43.
The spelling of 12011983747 in words is "twelve billion, eleven million, nine hundred eighty-three thousand, seven hundred forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •