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51883888717 is a prime number
BaseRepresentation
bin110000010100100001…
…010101000001001101
311221220212200122010001
4300110201111001031
51322224233414332
635500215444301
73514505530453
oct602441250115
9157825618101
1051883888717
1120005114581
12a07b986691
134b7b15218b
142722a029d3
151539e6e0e7
hexc1485504d

51883888717 has 2 divisors, whose sum is σ = 51883888718. Its totient is φ = 51883888716.

The previous prime is 51883888669. The next prime is 51883888751. The reversal of 51883888717 is 71788838815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46199633481 + 5684255236 = 214941^2 + 75394^2 .

It is a cyclic number.

It is not a de Polignac number, because 51883888717 - 227 = 51749670989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51883888117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25941944358 + 25941944359.

It is an arithmetic number, because the mean of its divisors is an integer number (25941944359).

Almost surely, 251883888717 is an apocalyptic number.

It is an amenable number.

51883888717 is a deficient number, since it is larger than the sum of its proper divisors (1).

51883888717 is an equidigital number, since it uses as much as digits as its factorization.

51883888717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24084480, while the sum is 64.

The spelling of 51883888717 in words is "fifty-one billion, eight hundred eighty-three million, eight hundred eighty-eight thousand, seven hundred seventeen".