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50550127021 is a prime number
BaseRepresentation
bin101111000101000001…
…011011100110101101
311211110220222112000201
4233011001123212231
51312011313031041
635120012353501
73436451663422
oct570501334655
9154426875021
1050550127021
111a490257689
129969175891
1349c7a25c84
142637813d49
1514acd10631
hexbc505b9ad

50550127021 has 2 divisors, whose sum is σ = 50550127022. Its totient is φ = 50550127020.

The previous prime is 50550126971. The next prime is 50550127037. The reversal of 50550127021 is 12072105505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34926376996 + 15623750025 = 186886^2 + 124995^2 .

It is a cyclic number.

It is not a de Polignac number, because 50550127021 - 229 = 50013256109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50550127051) 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, 25275063510 + 25275063511.

It is an arithmetic number, because the mean of its divisors is an integer number (25275063511).

Almost surely, 250550127021 is an apocalyptic number.

It is an amenable number.

50550127021 is a deficient number, since it is larger than the sum of its proper divisors (1).

50550127021 is an equidigital number, since it uses as much as digits as its factorization.

50550127021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3500, while the sum is 28.

The spelling of 50550127021 in words is "fifty billion, five hundred fifty million, one hundred twenty-seven thousand, twenty-one".