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3775852081 is a prime number
BaseRepresentation
bin1110000100001110…
…1110111000110001
3100202010221011022101
43201003232320301
530213104231311
61422401340401
7162366133051
oct34103567061
910663834271
103775852081
111668408611
12894637701
13482361001
1427b687561
1517174aec1
hexe10eee31

3775852081 has 2 divisors, whose sum is σ = 3775852082. Its totient is φ = 3775852080.

The previous prime is 3775852079. The next prime is 3775852123. The reversal of 3775852081 is 1802585773.

3775852081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3679635600 + 96216481 = 60660^2 + 9809^2 .

It is a cyclic number.

It is not a de Polignac number, because 3775852081 - 21 = 3775852079 is a prime.

It is a super-2 number, since 2×37758520812 = 28514117875184061122, which contains 22 as substring.

Together with 3775852079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3775852021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1887926040 + 1887926041.

It is an arithmetic number, because the mean of its divisors is an integer number (1887926041).

Almost surely, 23775852081 is an apocalyptic number.

It is an amenable number.

3775852081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3775852081 is an equidigital number, since it uses as much as digits as its factorization.

3775852081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470400, while the sum is 46.

The square root of 3775852081 is about 61447.9623828162. The cubic root of 3775852081 is about 1557.1782324631.

The spelling of 3775852081 in words is "three billion, seven hundred seventy-five million, eight hundred fifty-two thousand, eighty-one".