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50200005221 is a prime number
BaseRepresentation
bin101110110000001001…
…110100101001100101
311210120112011111012122
4232300021310221211
51310302200131341
635021144155325
73425001001232
oct566011645145
9153515144178
1050200005221
111a320659a23
12988ba68b45
134970329502
142603114789
15148c20094b
hexbb0274a65

50200005221 has 2 divisors, whose sum is σ = 50200005222. Its totient is φ = 50200005220.

The previous prime is 50200005181. The next prime is 50200005223. The reversal of 50200005221 is 12250000205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27853941025 + 22346064196 = 166895^2 + 149486^2 .

It is a cyclic number.

It is not a de Polignac number, because 50200005221 - 214 = 50199988837 is a prime.

Together with 50200005223, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50200005221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50200005223) 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, 25100002610 + 25100002611.

It is an arithmetic number, because the mean of its divisors is an integer number (25100002611).

Almost surely, 250200005221 is an apocalyptic number.

It is an amenable number.

50200005221 is a deficient number, since it is larger than the sum of its proper divisors (1).

50200005221 is an equidigital number, since it uses as much as digits as its factorization.

50200005221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200, while the sum is 17.

Adding to 50200005221 its reverse (12250000205), we get a palindrome (62450005426).

The spelling of 50200005221 in words is "fifty billion, two hundred million, five thousand, two hundred twenty-one".