Base | Representation |
---|---|
bin | 10111001111001001… |
… | …10100010001100011 |
3 | 1012012102010220021201 |
4 | 23213210310101203 |
5 | 201022112412122 |
6 | 5421521102031 |
7 | 621100536241 |
oct | 134744642143 |
9 | 35172126251 |
10 | 12475122787 |
11 | 5321977436 |
12 | 2501a87917 |
13 | 123a71957a |
14 | 864b79791 |
15 | 4d0322a27 |
hex | 2e7934463 |
12475122787 has 2 divisors, whose sum is σ = 12475122788. Its totient is φ = 12475122786.
The previous prime is 12475122773. The next prime is 12475122799. The reversal of 12475122787 is 78722157421.
12475122787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12475122787 - 27 = 12475122659 is a prime.
It is not a weakly prime, because it can be changed into another prime (12475122707) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6237561393 + 6237561394.
It is an arithmetic number, because the mean of its divisors is an integer number (6237561394).
Almost surely, 212475122787 is an apocalyptic number.
12475122787 is a deficient number, since it is larger than the sum of its proper divisors (1).
12475122787 is an equidigital number, since it uses as much as digits as its factorization.
12475122787 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 439040, while the sum is 46.
The spelling of 12475122787 in words is "twelve billion, four hundred seventy-five million, one hundred twenty-two thousand, seven hundred eighty-seven".
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