Search a number
-
+
2001030223 is a prime number
BaseRepresentation
bin111011101000101…
…0100110001001111
312011110021212102111
41313101110301033
513044230431343
6530321004451
7100405322233
oct16721246117
95143255374
102001030223
11937590695
1247a183727
1325b74826a
1414da865c3
15baa17c9d
hex77454c4f

2001030223 has 2 divisors, whose sum is σ = 2001030224. Its totient is φ = 2001030222.

The previous prime is 2001030193. The next prime is 2001030259. The reversal of 2001030223 is 3220301002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001030223 - 217 = 2000899151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001030293) 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, 1000515111 + 1000515112.

It is an arithmetic number, because the mean of its divisors is an integer number (1000515112).

Almost surely, 22001030223 is an apocalyptic number.

2001030223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001030223 is an equidigital number, since it uses as much as digits as its factorization.

2001030223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2001030223 is about 44732.8763103827. The cubic root of 2001030223 is about 1260.1373460342.

Adding to 2001030223 its reverse (3220301002), we get a palindrome (5221331225).

The spelling of 2001030223 in words is "two billion, one million, thirty thousand, two hundred twenty-three".