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126871807247 is a prime number
BaseRepresentation
bin111011000101000100…
…1100010010100001111
3110010110220200120212222
41312022021202110033
54034313140312442
6134141211045555
712111000365603
oct1661211422417
9403426616788
10126871807247
1149895911669
12207091408bb
13bc6ba882c3
1461d7c53503
1534783eb8d2
hex1d8a26250f

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".