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130444019 is a prime number
BaseRepresentation
bin1111100011001…
…10101011110011
3100002110020112222
413301212223303
5231343202034
620535511255
73142520156
oct761465363
9302406488
10130444019
11676a5582
123782852b
1321042914
1413477c9d
15b6ba12e
hex7c66af3

130444019 has 2 divisors, whose sum is σ = 130444020. Its totient is φ = 130444018.

The previous prime is 130444003. The next prime is 130444031. The reversal of 130444019 is 910444031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130444019 - 24 = 130444003 is a prime.

It is a super-2 number, since 2×1304440192 = 34031284185744722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130444079) 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, 65222009 + 65222010.

It is an arithmetic number, because the mean of its divisors is an integer number (65222010).

Almost surely, 2130444019 is an apocalyptic number.

130444019 is a deficient number, since it is larger than the sum of its proper divisors (1).

130444019 is an equidigital number, since it uses as much as digits as its factorization.

130444019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 130444019 is about 11421.2091741637. The cubic root of 130444019 is about 507.1557927081.

The spelling of 130444019 in words is "one hundred thirty million, four hundred forty-four thousand, nineteen".