Base | Representation |
---|---|
bin | 10110111011010000… |
… | …00110010110110101 |
3 | 1011202210001220112022 |
4 | 23131220012112311 |
5 | 200201400224000 |
6 | 5353155402525 |
7 | 614003032310 |
oct | 133550062665 |
9 | 34683056468 |
10 | 12308211125 |
11 | 5246734211 |
12 | 2475bb3445 |
13 | 1211c78b82 |
14 | 84a92b977 |
15 | 4c0852585 |
hex | 2dda065b5 |
12308211125 has 16 divisors (see below), whose sum is σ = 17555026944. Its totient is φ = 8439915600.
The previous prime is 12308211107. The next prime is 12308211127. The reversal of 12308211125 is 52111280321.
It is not a de Polignac number, because 12308211125 - 216 = 12308145589 is a prime.
It is a super-2 number, since 2×123082111252 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12308211094 and 12308211103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12308211127) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7032389 + ... + 7034138.
It is an arithmetic number, because the mean of its divisors is an integer number (1097189184).
Almost surely, 212308211125 is an apocalyptic number.
It is an amenable number.
12308211125 is a deficient number, since it is larger than the sum of its proper divisors (5246815819).
12308211125 is an equidigital number, since it uses as much as digits as its factorization.
12308211125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14066549 (or 14066539 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 26.
Adding to 12308211125 its reverse (52111280321), we get a palindrome (64419491446).
The spelling of 12308211125 in words is "twelve billion, three hundred eight million, two hundred eleven thousand, one hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •