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1030004081 is a prime number
BaseRepresentation
bin111101011001001…
…001110101110001
32122210010121222022
4331121021311301
54102140112311
6250112321225
734344614231
oct7531116561
92583117868
101030004081
11489457347
12248b43215
13135513c92
149ab1bcc1
156065b5db
hex3d649d71

1030004081 has 2 divisors, whose sum is σ = 1030004082. Its totient is φ = 1030004080.

The previous prime is 1030004077. The next prime is 1030004083. The reversal of 1030004081 is 1804000301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 993510400 + 36493681 = 31520^2 + 6041^2 .

It is an emirp because it is prime and its reverse (1804000301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1030004081 - 22 = 1030004077 is a prime.

It is a super-2 number, since 2×10300040812 = 2121816813753309122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1030004083, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1030004083) 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, 515002040 + 515002041.

It is an arithmetic number, because the mean of its divisors is an integer number (515002041).

Almost surely, 21030004081 is an apocalyptic number.

It is an amenable number.

1030004081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030004081 is an equidigital number, since it uses as much as digits as its factorization.

1030004081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1030004081 is about 32093.6766513281. The cubic root of 1030004081 is about 1009.9029678374.

Adding to 1030004081 its reverse (1804000301), we get a palindrome (2834004382).

The spelling of 1030004081 in words is "one billion, thirty million, four thousand, eighty-one".