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47513065841 is a prime number
BaseRepresentation
bin101100001111111111…
…111101100101110001
311112122021012211022022
4230033333331211301
51234301321101331
633454401521225
73301263252563
oct541777754561
9145567184268
1047513065841
111917198366a
129260043215
134632766757
14242a321333
15138139a67b
hexb0fffd971

47513065841 has 2 divisors, whose sum is σ = 47513065842. Its totient is φ = 47513065840.

The previous prime is 47513065823. The next prime is 47513065843. The reversal of 47513065841 is 14856031574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39968406241 + 7544659600 = 199921^2 + 86860^2 .

It is a cyclic number.

It is not a de Polignac number, because 47513065841 - 210 = 47513064817 is a prime.

It is a super-2 number, since 2×475130658412 (a number of 22 digits) contains 22 as substring.

Together with 47513065843, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 47513065792 and 47513065801.

It is not a weakly prime, because it can be changed into another prime (47513065843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23756532920 + 23756532921.

It is an arithmetic number, because the mean of its divisors is an integer number (23756532921).

Almost surely, 247513065841 is an apocalyptic number.

It is an amenable number.

47513065841 is a deficient number, since it is larger than the sum of its proper divisors (1).

47513065841 is an equidigital number, since it uses as much as digits as its factorization.

47513065841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 47513065841 in words is "forty-seven billion, five hundred thirteen million, sixty-five thousand, eight hundred forty-one".