Search a number
-
+
130215763 is a prime number
BaseRepresentation
bin1111100001011…
…10111101010011
3100002000122110001
413300232331103
5231313401023
620530550431
73140546536
oct760567523
9302018401
10130215763
116755a037
1237738417
1320c92a62
1413418a1d
15b6726ad
hex7c2ef53

130215763 has 2 divisors, whose sum is σ = 130215764. Its totient is φ = 130215762.

The previous prime is 130215751. The next prime is 130215769. The reversal of 130215763 is 367512031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130215763 is a prime.

It is a super-2 number, since 2×1302157632 = 33912289867344338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130215769) 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, 65107881 + 65107882.

It is an arithmetic number, because the mean of its divisors is an integer number (65107882).

Almost surely, 2130215763 is an apocalyptic number.

130215763 is a deficient number, since it is larger than the sum of its proper divisors (1).

130215763 is an equidigital number, since it uses as much as digits as its factorization.

130215763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 130215763 is about 11411.2121617294. The cubic root of 130215763 is about 506.8598063776.

Adding to 130215763 its reverse (367512031), we get a palindrome (497727794).

The spelling of 130215763 in words is "one hundred thirty million, two hundred fifteen thousand, seven hundred sixty-three".