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47584505394121 is a prime number
BaseRepresentation
bin10101101000111001000011…
…00010100111001111001001
320020111000220222220111210011
422310130201202213033021
522214111031340102441
6245112004152551521
713010603255143003
oct1264344142471711
9206430828814704
1047584505394121
1114186525851203
1254062426b25a1
1320722796ba737
14ba7160bc1373
15577baed24581
hex2b47218a73c9

47584505394121 has 2 divisors, whose sum is σ = 47584505394122. Its totient is φ = 47584505394120.

The previous prime is 47584505394119. The next prime is 47584505394211. The reversal of 47584505394121 is 12149350548574.

Together with next prime (47584505394211) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29750261184400 + 17834244209721 = 5454380^2 + 4223061^2 .

It is a cyclic number.

It is not a de Polignac number, because 47584505394121 - 21 = 47584505394119 is a prime.

Together with 47584505394119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47584505392121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23792252697060 + 23792252697061.

It is an arithmetic number, because the mean of its divisors is an integer number (23792252697061).

Almost surely, 247584505394121 is an apocalyptic number.

It is an amenable number.

47584505394121 is a deficient number, since it is larger than the sum of its proper divisors (1).

47584505394121 is an equidigital number, since it uses as much as digits as its factorization.

47584505394121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192000, while the sum is 58.

The spelling of 47584505394121 in words is "forty-seven trillion, five hundred eighty-four billion, five hundred five million, three hundred ninety-four thousand, one hundred twenty-one".