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126866375959 is a prime number
BaseRepresentation
bin111011000100111010…
…0110100010100010111
3110010110112110122120011
41312021310310110113
54034310243012314
6134140454421051
712110603255131
oct1661164642427
9403415418504
10126866375959
1149892841aa4
1220707361787
13bc6a90611b
1461d723c051
153477bc74c4
hex1d89d34517

126866375959 has 2 divisors, whose sum is σ = 126866375960. Its totient is φ = 126866375958.

The previous prime is 126866375957. The next prime is 126866376029. The reversal of 126866375959 is 959573668621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126866375959 - 21 = 126866375957 is a prime.

Together with 126866375957, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 126866375894 and 126866375903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126866375957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63433187979 + 63433187980.

It is an arithmetic number, because the mean of its divisors is an integer number (63433187980).

Almost surely, 2126866375959 is an apocalyptic number.

126866375959 is a deficient number, since it is larger than the sum of its proper divisors (1).

126866375959 is an equidigital number, since it uses as much as digits as its factorization.

126866375959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 146966400, while the sum is 67.

The spelling of 126866375959 in words is "one hundred twenty-six billion, eight hundred sixty-six million, three hundred seventy-five thousand, nine hundred fifty-nine".