Base | Representation |
---|---|
bin | 10110111000111011… |
… | …10101011011010011 |
3 | 1011201102102211110012 |
4 | 23130131311123103 |
5 | 200131404234443 |
6 | 5351222225135 |
7 | 613345410266 |
oct | 133435653323 |
9 | 34642384405 |
10 | 12288743123 |
11 | 5236747658 |
12 | 246b5851ab |
13 | 120ac20947 |
14 | 848100cdd |
15 | 4bdca9118 |
hex | 2dc7756d3 |
12288743123 has 2 divisors, whose sum is σ = 12288743124. Its totient is φ = 12288743122.
The previous prime is 12288743111. The next prime is 12288743147. The reversal of 12288743123 is 32134788221.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12288743123 - 214 = 12288726739 is a prime.
It is a super-4 number, since 4×122887431234 (a number of 41 digits) contains 4444 as substring.
It is not a weakly prime, because it can be changed into another prime (12288743323) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6144371561 + 6144371562.
It is an arithmetic number, because the mean of its divisors is an integer number (6144371562).
Almost surely, 212288743123 is an apocalyptic number.
12288743123 is a deficient number, since it is larger than the sum of its proper divisors (1).
12288743123 is an equidigital number, since it uses as much as digits as its factorization.
12288743123 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 129024, while the sum is 41.
The spelling of 12288743123 in words is "twelve billion, two hundred eighty-eight million, seven hundred forty-three thousand, one hundred twenty-three".
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