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130715489 is a prime number
BaseRepresentation
bin1111100101010…
…00111101100001
3100002222000221102
413302220331201
5231430343424
620545404145
73145030502
oct762507541
9302860842
10130715489
1167870533
1237939655
1321109358
1413508ba9
15b7207ae
hex7ca8f61

130715489 has 2 divisors, whose sum is σ = 130715490. Its totient is φ = 130715488.

The previous prime is 130715483. The next prime is 130715521. The reversal of 130715489 is 984517031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98168464 + 32547025 = 9908^2 + 5705^2 .

It is a cyclic number.

It is not a de Polignac number, because 130715489 - 220 = 129666913 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (130715483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65357744 + 65357745.

It is an arithmetic number, because the mean of its divisors is an integer number (65357745).

Almost surely, 2130715489 is an apocalyptic number.

It is an amenable number.

130715489 is a deficient number, since it is larger than the sum of its proper divisors (1).

130715489 is an equidigital number, since it uses as much as digits as its factorization.

130715489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 130715489 is about 11433.0874657723. The cubic root of 130715489 is about 507.5073667304.

The spelling of 130715489 in words is "one hundred thirty million, seven hundred fifteen thousand, four hundred eighty-nine".