Search a number
-
+
1115413223 is a prime number
BaseRepresentation
bin100001001111011…
…1101101011100111
32212201211212021212
41002132331223213
54241021210343
6302403102035
736432566411
oct10236755347
92781755255
101115413223
11522692511
1227167191b
1314a119432
14a81d19b1
1567dccc18
hex427bdae7

1115413223 has 2 divisors, whose sum is σ = 1115413224. Its totient is φ = 1115413222.

The previous prime is 1115413213. The next prime is 1115413279. The reversal of 1115413223 is 3223145111.

It is a weak prime.

It is an emirp because it is prime and its reverse (3223145111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1115413223 - 214 = 1115396839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115413213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557706611 + 557706612.

It is an arithmetic number, because the mean of its divisors is an integer number (557706612).

Almost surely, 21115413223 is an apocalyptic number.

1115413223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115413223 is an equidigital number, since it uses as much as digits as its factorization.

1115413223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 23.

The square root of 1115413223 is about 33397.8026672414. The cubic root of 1115413223 is about 1037.0792132681.

Adding to 1115413223 its reverse (3223145111), we get a palindrome (4338558334).

The spelling of 1115413223 in words is "one billion, one hundred fifteen million, four hundred thirteen thousand, two hundred twenty-three".