Base | Representation |
---|---|
bin | 100100001101011… |
… | …0110101001011011 |
3 | 10010200020100110211 |
4 | 1020122312221123 |
5 | 4442014433011 |
6 | 320321351551 |
7 | 42052215343 |
oct | 11032665133 |
9 | 3120210424 |
10 | 1214999131 |
11 | 573920915 |
12 | 29aa985b7 |
13 | 1649465c8 |
14 | b7515d23 |
15 | 719eeb21 |
hex | 486b6a5b |
1214999131 has 2 divisors, whose sum is σ = 1214999132. Its totient is φ = 1214999130.
The previous prime is 1214999119. The next prime is 1214999147. The reversal of 1214999131 is 1319994121.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1214999131 - 229 = 678128219 is a prime.
It is a super-2 number, since 2×12149991312 = 2952445776661510322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1214999101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607499565 + 607499566.
It is an arithmetic number, because the mean of its divisors is an integer number (607499566).
Almost surely, 21214999131 is an apocalyptic number.
1214999131 is a deficient number, since it is larger than the sum of its proper divisors (1).
1214999131 is an equidigital number, since it uses as much as digits as its factorization.
1214999131 is an evil number, because the sum of its binary digits is even.
The product of its digits is 17496, while the sum is 40.
The square root of 1214999131 is about 34856.8376505959. The cubic root of 1214999131 is about 1067.0677369486.
The spelling of 1214999131 in words is "one billion, two hundred fourteen million, nine hundred ninety-nine thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •