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130248791 is a prime number
BaseRepresentation
bin1111100001101…
…11000001010111
3100002002022202022
413300313001113
5231320430131
620531403355
73141045041
oct760670127
9302068668
10130248791
1167581932
123775355b
1320ca4aba
1413426a91
15b67c37b
hex7c37057

130248791 has 2 divisors, whose sum is σ = 130248792. Its totient is φ = 130248790.

The previous prime is 130248779. The next prime is 130248799. The reversal of 130248791 is 197842031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130248791 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130248799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65124395 + 65124396.

It is an arithmetic number, because the mean of its divisors is an integer number (65124396).

Almost surely, 2130248791 is an apocalyptic number.

130248791 is a deficient number, since it is larger than the sum of its proper divisors (1).

130248791 is an equidigital number, since it uses as much as digits as its factorization.

130248791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 130248791 is about 11412.6592431387. The cubic root of 130248791 is about 506.9026561579.

The spelling of 130248791 in words is "one hundred thirty million, two hundred forty-eight thousand, seven hundred ninety-one".