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5128503641 is a prime number
BaseRepresentation
bin1001100011010111…
…01100000101011001
3111020102011222102022
410301223230011121
541000344104031
62204521344225
7241042363442
oct46153540531
914212158368
105128503641
1121a19a7768
12bb1638075
13639672251
143691922c9
1520038b97b
hex131aec159

5128503641 has 2 divisors, whose sum is σ = 5128503642. Its totient is φ = 5128503640.

The previous prime is 5128503581. The next prime is 5128503647. The reversal of 5128503641 is 1463058215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4150065241 + 978438400 = 64421^2 + 31280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5128503641 is a prime.

It is not a weakly prime, because it can be changed into another prime (5128503647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2564251820 + 2564251821.

It is an arithmetic number, because the mean of its divisors is an integer number (2564251821).

Almost surely, 25128503641 is an apocalyptic number.

It is an amenable number.

5128503641 is a deficient number, since it is larger than the sum of its proper divisors (1).

5128503641 is an equidigital number, since it uses as much as digits as its factorization.

5128503641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 5128503641 is about 71613.5716257750. The cubic root of 5128503641 is about 1724.5014189968.

The spelling of 5128503641 in words is "five billion, one hundred twenty-eight million, five hundred three thousand, six hundred forty-one".