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130794869 is a prime number
BaseRepresentation
bin1111100101111…
…00010101110101
3100010010001211102
413302330111311
5231440413434
620551215445
73145511102
oct762742565
9303101742
10130794869
1167915137
1237977585
132113651a
1413529aa9
15b73907e
hex7cbc575

130794869 has 2 divisors, whose sum is σ = 130794870. Its totient is φ = 130794868.

The previous prime is 130794827. The next prime is 130794913. The reversal of 130794869 is 968497031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83046769 + 47748100 = 9113^2 + 6910^2 .

It is an emirp because it is prime and its reverse (968497031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130794869 is a prime.

It is a super-2 number, since 2×1307948692 = 34214595513454322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130794809) 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, 65397434 + 65397435.

It is an arithmetic number, because the mean of its divisors is an integer number (65397435).

Almost surely, 2130794869 is an apocalyptic number.

It is an amenable number.

130794869 is a deficient number, since it is larger than the sum of its proper divisors (1).

130794869 is an equidigital number, since it uses as much as digits as its factorization.

130794869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 130794869 is about 11436.5584421189. The cubic root of 130794869 is about 507.6100777990.

The spelling of 130794869 in words is "one hundred thirty million, seven hundred ninety-four thousand, eight hundred sixty-nine".