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50875005221 is a prime number
BaseRepresentation
bin101111011000011000…
…101111100100100101
311212022120022001010122
4233120120233210211
51313143000131341
635212135531325
73450505260245
oct573030574445
9155276261118
1050875005221
111a637683467
129a39b29b45
134a4a1246b1
142668a21b25
1514cb5d594b
hexbd862f925

50875005221 has 2 divisors, whose sum is σ = 50875005222. Its totient is φ = 50875005220.

The previous prime is 50875005197. The next prime is 50875005241. The reversal of 50875005221 is 12250057805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31724596996 + 19150408225 = 178114^2 + 138385^2 .

It is a cyclic number.

It is not a de Polignac number, because 50875005221 - 218 = 50874743077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50875005241) 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, 25437502610 + 25437502611.

It is an arithmetic number, because the mean of its divisors is an integer number (25437502611).

Almost surely, 250875005221 is an apocalyptic number.

It is an amenable number.

50875005221 is a deficient number, since it is larger than the sum of its proper divisors (1).

50875005221 is an equidigital number, since it uses as much as digits as its factorization.

50875005221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 35.

The spelling of 50875005221 in words is "fifty billion, eight hundred seventy-five million, five thousand, two hundred twenty-one".