Base | Representation |
---|---|
bin | 1111000111111… |
… | …11011100000001 |
3 | 22211201221022122 |
4 | 13203333130001 |
5 | 224440003033 |
6 | 20331214025 |
7 | 3100265051 |
oct | 743773401 |
9 | 284657278 |
10 | 126875393 |
11 | 656883a7 |
12 | 365a7315 |
13 | 203934c8 |
14 | 12bc9561 |
15 | b212a98 |
hex | 78ff701 |
126875393 has 2 divisors, whose sum is σ = 126875394. Its totient is φ = 126875392.
The previous prime is 126875381. The next prime is 126875431. The reversal of 126875393 is 393578621.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 66471409 + 60403984 = 8153^2 + 7772^2 .
It is an emirp because it is prime and its reverse (393578621) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 126875393 - 214 = 126859009 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (126875323) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63437696 + 63437697.
It is an arithmetic number, because the mean of its divisors is an integer number (63437697).
Almost surely, 2126875393 is an apocalyptic number.
It is an amenable number.
126875393 is a deficient number, since it is larger than the sum of its proper divisors (1).
126875393 is an equidigital number, since it uses as much as digits as its factorization.
126875393 is an evil number, because the sum of its binary digits is even.
The product of its digits is 272160, while the sum is 44.
The square root of 126875393 is about 11263.8977711980. The cubic root of 126875393 is about 502.4881219604.
The spelling of 126875393 in words is "one hundred twenty-six million, eight hundred seventy-five thousand, three hundred ninety-three".
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