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28052755573 is a prime number
BaseRepresentation
bin11010001000000100…
…110001010001110101
32200102001012122012011
4122020010301101311
5424423001134243
620515351524221
72012113326253
oct321004612165
980361178164
1028052755573
111099605a517
12552a989671
132850b2c46b
1415019a35d3
15ae2bd789d
hex688131475

28052755573 has 2 divisors, whose sum is σ = 28052755574. Its totient is φ = 28052755572.

The previous prime is 28052755537. The next prime is 28052755583. The reversal of 28052755573 is 37555725082.

Together with previous prime (28052755537) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18164839729 + 9887915844 = 134777^2 + 99438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28052755573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28052755583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14026377786 + 14026377787.

It is an arithmetic number, because the mean of its divisors is an integer number (14026377787).

Almost surely, 228052755573 is an apocalyptic number.

It is an amenable number.

28052755573 is a deficient number, since it is larger than the sum of its proper divisors (1).

28052755573 is an equidigital number, since it uses as much as digits as its factorization.

28052755573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940000, while the sum is 49.

The spelling of 28052755573 in words is "twenty-eight billion, fifty-two million, seven hundred fifty-five thousand, five hundred seventy-three".