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5721085771 is a prime number
BaseRepresentation
bin1010101010000000…
…01101011101001011
3112202201020021021121
411111000031131023
543204044221041
62343410420111
7261526266232
oct52500153513
915681207247
105721085771
112476449465
121137b91637
1370237166b
143c3b67b19
152373e17d1
hex15500d74b

5721085771 has 2 divisors, whose sum is σ = 5721085772. Its totient is φ = 5721085770.

The previous prime is 5721085759. The next prime is 5721085781. The reversal of 5721085771 is 1775801275.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5721085771 - 215 = 5721053003 is a prime.

It is not a weakly prime, because it can be changed into another prime (5721085781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2860542885 + 2860542886.

It is an arithmetic number, because the mean of its divisors is an integer number (2860542886).

Almost surely, 25721085771 is an apocalyptic number.

5721085771 is a deficient number, since it is larger than the sum of its proper divisors (1).

5721085771 is an equidigital number, since it uses as much as digits as its factorization.

5721085771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 137200, while the sum is 43.

The square root of 5721085771 is about 75637.8593761087. The cubic root of 5721085771 is about 1788.5159584586.

The spelling of 5721085771 in words is "five billion, seven hundred twenty-one million, eighty-five thousand, seven hundred seventy-one".