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47919087241 is a prime number
BaseRepresentation
bin101100101000001100…
…110011111010001001
311120200120012211221221
4230220030303322021
51241114241242431
634002544202041
73314323343464
oct545014637211
9146616184857
1047919087241
1119360091543
129354009321
1346989059bc
1424682122db
1513a6d4d111
hexb28333e89

47919087241 has 2 divisors, whose sum is σ = 47919087242. Its totient is φ = 47919087240.

The previous prime is 47919087239. The next prime is 47919087253. The reversal of 47919087241 is 14278091974.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47918961216 + 126025 = 218904^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 47919087241 - 21 = 47919087239 is a prime.

Together with 47919087239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47919187241) 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, 23959543620 + 23959543621.

It is an arithmetic number, because the mean of its divisors is an integer number (23959543621).

Almost surely, 247919087241 is an apocalyptic number.

It is an amenable number.

47919087241 is a deficient number, since it is larger than the sum of its proper divisors (1).

47919087241 is an equidigital number, since it uses as much as digits as its factorization.

47919087241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 47919087241 in words is "forty-seven billion, nine hundred nineteen million, eighty-seven thousand, two hundred forty-one".