Search a number
-
+
1833440201 is a prime number
BaseRepresentation
bin110110101001000…
…0001001111001001
311201202221102010122
41231102001033021
512223330041301
6501532553025
763301661465
oct15522011711
94652842118
101833440201
11860a2483a
12432022775
13232acab78
141356dd4a5
15aae6181b
hex6d4813c9

1833440201 has 2 divisors, whose sum is σ = 1833440202. Its totient is φ = 1833440200.

The previous prime is 1833440197. The next prime is 1833440227. The reversal of 1833440201 is 1020443381.

It is an a-pointer prime, because the next prime (1833440227) can be obtained adding 1833440201 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1376335801 + 457104400 = 37099^2 + 21380^2 .

It is a cyclic number.

It is not a de Polignac number, because 1833440201 - 22 = 1833440197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1833442201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 916720100 + 916720101.

It is an arithmetic number, because the mean of its divisors is an integer number (916720101).

Almost surely, 21833440201 is an apocalyptic number.

It is an amenable number.

1833440201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1833440201 is an equidigital number, since it uses as much as digits as its factorization.

1833440201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1833440201 is about 42818.6898561831. The cubic root of 1833440201 is about 1223.9271909163.

Adding to 1833440201 its reverse (1020443381), we get a palindrome (2853883582).

The spelling of 1833440201 in words is "one billion, eight hundred thirty-three million, four hundred forty thousand, two hundred one".