Base | Representation |
---|---|
bin | 10111001011001110… |
… | …11011101010110111 |
3 | 1012010010021222210111 |
4 | 23211213123222313 |
5 | 200440204112012 |
6 | 5414344403451 |
7 | 620221262011 |
oct | 134547335267 |
9 | 35103258714 |
10 | 12442254007 |
11 | 5305367657 |
12 | 24b2a76587 |
13 | 123397b8a1 |
14 | 8606611b1 |
15 | 4cc4cdba7 |
hex | 2e59dbab7 |
12442254007 has 2 divisors, whose sum is σ = 12442254008. Its totient is φ = 12442254006.
The previous prime is 12442253963. The next prime is 12442254043. The reversal of 12442254007 is 70045224421.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12442254007 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12442254007.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12442254067) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6221127003 + 6221127004.
It is an arithmetic number, because the mean of its divisors is an integer number (6221127004).
Almost surely, 212442254007 is an apocalyptic number.
12442254007 is a deficient number, since it is larger than the sum of its proper divisors (1).
12442254007 is an equidigital number, since it uses as much as digits as its factorization.
12442254007 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 17920, while the sum is 31.
Adding to 12442254007 its reverse (70045224421), we get a palindrome (82487478428).
The spelling of 12442254007 in words is "twelve billion, four hundred forty-two million, two hundred fifty-four thousand, seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •