Base | Representation |
---|---|
bin | 10110101111110100… |
… | …10101111110100111 |
3 | 1011112002122122220121 |
4 | 23113322111332213 |
5 | 200002324033112 |
6 | 5335452342411 |
7 | 611430044554 |
oct | 132772257647 |
9 | 34462578817 |
10 | 12212330407 |
11 | 51a75a6652 |
12 | 2449a74a07 |
13 | 11c8148314 |
14 | 83bccda2b |
15 | 4b7213407 |
hex | 2d7e95fa7 |
12212330407 has 2 divisors, whose sum is σ = 12212330408. Its totient is φ = 12212330406.
The previous prime is 12212330303. The next prime is 12212330467. The reversal of 12212330407 is 70403321221.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12212330407 - 27 = 12212330279 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12212330467) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106165203 + 6106165204.
It is an arithmetic number, because the mean of its divisors is an integer number (6106165204).
Almost surely, 212212330407 is an apocalyptic number.
12212330407 is a deficient number, since it is larger than the sum of its proper divisors (1).
12212330407 is an equidigital number, since it uses as much as digits as its factorization.
12212330407 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2016, while the sum is 25.
Adding to 12212330407 its reverse (70403321221), we get a palindrome (82615651628).
The spelling of 12212330407 in words is "twelve billion, two hundred twelve million, three hundred thirty thousand, four hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •