Search a number
-
+
130757009 is a prime number
BaseRepresentation
bin1111100101100…
…11000110010001
3100010001010220012
413302303012101
5231433211014
620550324305
73145262525
oct762630621
9303033805
10130757009
1167899749
1237959695
1321122216
1413519d85
15b72cc3e
hex7cb3191

130757009 has 2 divisors, whose sum is σ = 130757010. Its totient is φ = 130757008.

The previous prime is 130756987. The next prime is 130757021. The reversal of 130757009 is 900757031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68425984 + 62331025 = 8272^2 + 7895^2 .

It is an emirp because it is prime and its reverse (900757031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130757009 - 212 = 130752913 is a prime.

It is not a weakly prime, because it can be changed into another prime (130757059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65378504 + 65378505.

It is an arithmetic number, because the mean of its divisors is an integer number (65378505).

Almost surely, 2130757009 is an apocalyptic number.

It is an amenable number.

130757009 is a deficient number, since it is larger than the sum of its proper divisors (1).

130757009 is an equidigital number, since it uses as much as digits as its factorization.

130757009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 130757009 is about 11434.9031040932. The cubic root of 130757009 is about 507.5610953165.

The spelling of 130757009 in words is "one hundred thirty million, seven hundred fifty-seven thousand, nine".