Base | Representation |
---|---|
bin | 10110100100111110… |
… | …01101111000111011 |
3 | 1011021202102112100122 |
4 | 23102133031320323 |
5 | 144311030131212 |
6 | 5322442123455 |
7 | 606243430106 |
oct | 132237157073 |
9 | 34252375318 |
10 | 12121333307 |
11 | 51601a4136 |
12 | 24234b058b |
13 | 11b2337595 |
14 | 82dba373d |
15 | 4ae23b272 |
hex | 2d27cde3b |
12121333307 has 2 divisors, whose sum is σ = 12121333308. Its totient is φ = 12121333306.
The previous prime is 12121333291. The next prime is 12121333361. The reversal of 12121333307 is 70333312121.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12121333307 - 24 = 12121333291 is a prime.
It is a super-2 number, since 2×121213333072 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (12121333507) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060666653 + 6060666654.
It is an arithmetic number, because the mean of its divisors is an integer number (6060666654).
Almost surely, 212121333307 is an apocalyptic number.
12121333307 is a deficient number, since it is larger than the sum of its proper divisors (1).
12121333307 is an equidigital number, since it uses as much as digits as its factorization.
12121333307 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2268, while the sum is 26.
Adding to 12121333307 its reverse (70333312121), we get a palindrome (82454645428).
The spelling of 12121333307 in words is "twelve billion, one hundred twenty-one million, three hundred thirty-three thousand, three hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •