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3002161993 is a prime number
BaseRepresentation
bin1011001011110001…
…0101101101001001
321202020002122000221
42302330111231021
522122023140433
61213522430041
7134252645605
oct26274255511
97666078027
103002161993
111300707816
126b9502321
1338ac9061c
14206a0a505
1512886e72d
hexb2f15b49

3002161993 has 2 divisors, whose sum is σ = 3002161994. Its totient is φ = 3002161992.

The previous prime is 3002161961. The next prime is 3002161999. The reversal of 3002161993 is 3991612003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2299010704 + 703151289 = 47948^2 + 26517^2 .

It is a cyclic number.

It is not a de Polignac number, because 3002161993 - 25 = 3002161961 is a prime.

It is not a weakly prime, because it can be changed into another prime (3002161999) 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, 1501080996 + 1501080997.

It is an arithmetic number, because the mean of its divisors is an integer number (1501080997).

Almost surely, 23002161993 is an apocalyptic number.

It is an amenable number.

3002161993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3002161993 is an equidigital number, since it uses as much as digits as its factorization.

3002161993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 3002161993 is about 54791.9884015902. The cubic root of 3002161993 is about 1442.5959463888.

Adding to 3002161993 its reverse (3991612003), we get a palindrome (6993773996).

The spelling of 3002161993 in words is "three billion, two million, one hundred sixty-one thousand, nine hundred ninety-three".