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5020026521 is a prime number
BaseRepresentation
bin1001010110011011…
…11000011010011001
3110221212001202210012
410223031320122121
540240111322041
62150044331305
7235254343556
oct45315703231
913855052705
105020026521
112146746254
12b81243b35
136200510c3
143589d5a2d
151e5ab03eb
hex12b378699

5020026521 has 2 divisors, whose sum is σ = 5020026522. Its totient is φ = 5020026520.

The previous prime is 5020026457. The next prime is 5020026553. The reversal of 5020026521 is 1256200205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3452737600 + 1567288921 = 58760^2 + 39589^2 .

It is a cyclic number.

It is not a de Polignac number, because 5020026521 - 26 = 5020026457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5020526521) 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, 2510013260 + 2510013261.

It is an arithmetic number, because the mean of its divisors is an integer number (2510013261).

Almost surely, 25020026521 is an apocalyptic number.

It is an amenable number.

5020026521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5020026521 is an equidigital number, since it uses as much as digits as its factorization.

5020026521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5020026521 is about 70852.1454932735. The cubic root of 5020026521 is about 1712.2558966965.

Adding to 5020026521 its reverse (1256200205), we get a palindrome (6276226726).

The spelling of 5020026521 in words is "five billion, twenty million, twenty-six thousand, five hundred twenty-one".