Base | Representation |
---|---|
bin | 111011000101000100… |
… | …1100010010100001111 |
3 | 110010110220200120212222 |
4 | 1312022021202110033 |
5 | 4034313140312442 |
6 | 134141211045555 |
7 | 12111000365603 |
oct | 1661211422417 |
9 | 403426616788 |
10 | 126871807247 |
11 | 49895911669 |
12 | 207091408bb |
13 | bc6ba882c3 |
14 | 61d7c53503 |
15 | 34783eb8d2 |
hex | 1d8a26250f |
126871807247 has 2 divisors, whose sum is σ = 126871807248. Its totient is φ = 126871807246.
The previous prime is 126871807219. The next prime is 126871807277. The reversal of 126871807247 is 742708178621.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 126871807247 - 212 = 126871803151 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (126871807217) 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, 63435903623 + 63435903624.
It is an arithmetic number, because the mean of its divisors is an integer number (63435903624).
Almost surely, 2126871807247 is an apocalyptic number.
126871807247 is a deficient number, since it is larger than the sum of its proper divisors (1).
126871807247 is an equidigital number, since it uses as much as digits as its factorization.
126871807247 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2107392, while the sum is 53.
The spelling of 126871807247 in words is "one hundred twenty-six billion, eight hundred seventy-one million, eight hundred seven thousand, two hundred forty-seven".
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