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5764385981 is a prime number
BaseRepresentation
bin1010101111001010…
…11000110010111101
3112212201201011000002
411113211120302331
543301140322411
62351554444045
7262563321014
oct52745306275
915781634002
105764385981
112498933562
12114a593625
1370b3223a3
143c97d9a7b
1523b0e633b
hex157958cbd

5764385981 has 2 divisors, whose sum is σ = 5764385982. Its totient is φ = 5764385980.

The previous prime is 5764385929. The next prime is 5764385983. The reversal of 5764385981 is 1895834675.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5713848100 + 50537881 = 75590^2 + 7109^2 .

It is a cyclic number.

It is not a de Polignac number, because 5764385981 - 230 = 4690644157 is a prime.

It is a super-2 number, since 2×57643859812 = 66456291475898664722, which contains 22 as substring.

Together with 5764385983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5764385983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2882192990 + 2882192991.

It is an arithmetic number, because the mean of its divisors is an integer number (2882192991).

Almost surely, 25764385981 is an apocalyptic number.

It is an amenable number.

5764385981 is a deficient number, since it is larger than the sum of its proper divisors (1).

5764385981 is an equidigital number, since it uses as much as digits as its factorization.

5764385981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7257600, while the sum is 56.

The square root of 5764385981 is about 75923.5535324842. The cubic root of 5764385981 is about 1793.0167682824.

The spelling of 5764385981 in words is "five billion, seven hundred sixty-four million, three hundred eighty-five thousand, nine hundred eighty-one".