Search a number
-
+
130495109 is a prime number
BaseRepresentation
bin1111100011100…
…11001010000101
3100002112211122012
413301303022011
5231401320414
620540544005
73143122133
oct761631205
9302484565
10130495109
116772a9a8
1237852005
132105cc54
141348c753
15b6ca33e
hex7c73285

130495109 has 2 divisors, whose sum is σ = 130495110. Its totient is φ = 130495108.

The previous prime is 130495081. The next prime is 130495121. The reversal of 130495109 is 901594031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122102500 + 8392609 = 11050^2 + 2897^2 .

It is a cyclic number.

It is not a de Polignac number, because 130495109 - 212 = 130491013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130495139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65247554 + 65247555.

It is an arithmetic number, because the mean of its divisors is an integer number (65247555).

Almost surely, 2130495109 is an apocalyptic number.

It is an amenable number.

130495109 is a deficient number, since it is larger than the sum of its proper divisors (1).

130495109 is an equidigital number, since it uses as much as digits as its factorization.

130495109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 130495109 is about 11423.4455835356. The cubic root of 130495109 is about 507.2219953281.

The spelling of 130495109 in words is "one hundred thirty million, four hundred ninety-five thousand, one hundred nine".