Search a number
-
+
130223617 is a prime number
BaseRepresentation
bin1111100001100…
…00111000000001
3100002001001012221
413300300320001
5231314123432
620531051041
73140611456
oct760607001
9302031187
10130223617
1167564a27
1237740a81
1320c964c4
141341b82d
15b674b97
hex7c30e01

130223617 has 2 divisors, whose sum is σ = 130223618. Its totient is φ = 130223616.

The previous prime is 130223603. The next prime is 130223623. The reversal of 130223617 is 716322031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128504896 + 1718721 = 11336^2 + 1311^2 .

It is an emirp because it is prime and its reverse (716322031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130223617 - 219 = 129699329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130223591 and 130223600.

It is not a weakly prime, because it can be changed into another prime (130223647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65111808 + 65111809.

It is an arithmetic number, because the mean of its divisors is an integer number (65111809).

Almost surely, 2130223617 is an apocalyptic number.

It is an amenable number.

130223617 is a deficient number, since it is larger than the sum of its proper divisors (1).

130223617 is an equidigital number, since it uses as much as digits as its factorization.

130223617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 130223617 is about 11411.5562917597. The cubic root of 130223617 is about 506.8699966361.

Adding to 130223617 its reverse (716322031), we get a palindrome (846545648).

The spelling of 130223617 in words is "one hundred thirty million, two hundred twenty-three thousand, six hundred seventeen".