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130500047 is a prime number
BaseRepresentation
bin1111100011101…
…00010111001111
3100002120002102002
413301310113033
5231402000142
620541022515
73143142416
oct761642717
9302502362
10130500047
1167733687
1237854a3b
1321062282
141349047d
15b6cba32
hex7c745cf

130500047 has 2 divisors, whose sum is σ = 130500048. Its totient is φ = 130500046.

The previous prime is 130500031. The next prime is 130500061. The reversal of 130500047 is 740005031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130500047 - 24 = 130500031 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130503047) 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, 65250023 + 65250024.

It is an arithmetic number, because the mean of its divisors is an integer number (65250024).

Almost surely, 2130500047 is an apocalyptic number.

130500047 is a deficient number, since it is larger than the sum of its proper divisors (1).

130500047 is an equidigital number, since it uses as much as digits as its factorization.

130500047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 130500047 is about 11423.6617159298. The cubic root of 130500047 is about 507.2283930918.

Adding to 130500047 its reverse (740005031), we get a palindrome (870505078).

The spelling of 130500047 in words is "one hundred thirty million, five hundred thousand, forty-seven".