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2443121201 is a prime number
BaseRepresentation
bin1001000110011111…
…0001001000110001
320022021011102020102
42101213301020301
520000414334301
61042232322145
7114354121223
oct22147611061
96267142212
102443121201
111044095134
12582243355
132cc206061
14192686413
15e4742b6b
hex919f1231

2443121201 has 2 divisors, whose sum is σ = 2443121202. Its totient is φ = 2443121200.

The previous prime is 2443121183. The next prime is 2443121207. The reversal of 2443121201 is 1021213442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1701975025 + 741146176 = 41255^2 + 27224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2443121201 is a prime.

It is not a weakly prime, because it can be changed into another prime (2443121207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221560600 + 1221560601.

It is an arithmetic number, because the mean of its divisors is an integer number (1221560601).

Almost surely, 22443121201 is an apocalyptic number.

It is an amenable number.

2443121201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2443121201 is an equidigital number, since it uses as much as digits as its factorization.

2443121201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2443121201 is about 49427.9394775870. The cubic root of 2443121201 is about 1346.8368928023.

Adding to 2443121201 its reverse (1021213442), we get a palindrome (3464334643).

The spelling of 2443121201 in words is "two billion, four hundred forty-three million, one hundred twenty-one thousand, two hundred one".