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3105387073 is a prime number
BaseRepresentation
bin1011100100011000…
…0111001001000001
322000102100000020001
42321012013021001
522324434341243
61232051120001
7136645232425
oct27106071101
98012300201
103105387073
111353a012a8
12727ba3001
133a6493059
142165dab85
1513295ea4d
hexb9187241

3105387073 has 2 divisors, whose sum is σ = 3105387074. Its totient is φ = 3105387072.

The previous prime is 3105387071. The next prime is 3105387091. The reversal of 3105387073 is 3707835013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1581811984 + 1523575089 = 39772^2 + 39033^2 .

It is a cyclic number.

It is not a de Polignac number, because 3105387073 - 21 = 3105387071 is a prime.

Together with 3105387071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3105387071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1552693536 + 1552693537.

It is an arithmetic number, because the mean of its divisors is an integer number (1552693537).

Almost surely, 23105387073 is an apocalyptic number.

It is an amenable number.

3105387073 is a deficient number, since it is larger than the sum of its proper divisors (1).

3105387073 is an equidigital number, since it uses as much as digits as its factorization.

3105387073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 3105387073 is about 55725.9999730826. Note that the first 4 decimals coincide. The cubic root of 3105387073 is about 1458.9438588504.

The spelling of 3105387073 in words is "three billion, one hundred five million, three hundred eighty-seven thousand, seventy-three".