Search a number
-
+
130443487 is a prime number
BaseRepresentation
bin1111100011001…
…10100011011111
3100002110012211021
413301212203133
5231343142422
620535505011
73142515466
oct761464337
9302405737
10130443487
11676a5139
1237828167
13210425c5
14134779dd
15b6b9dc7
hex7c668df

130443487 has 2 divisors, whose sum is σ = 130443488. Its totient is φ = 130443486.

The previous prime is 130443433. The next prime is 130443517. The reversal of 130443487 is 784344031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130443487 - 27 = 130443359 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130440487) 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, 65221743 + 65221744.

It is an arithmetic number, because the mean of its divisors is an integer number (65221744).

Almost surely, 2130443487 is an apocalyptic number.

130443487 is a deficient number, since it is larger than the sum of its proper divisors (1).

130443487 is an equidigital number, since it uses as much as digits as its factorization.

130443487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 130443487 is about 11421.1858841366. The cubic root of 130443487 is about 507.1551032495.

The spelling of 130443487 in words is "one hundred thirty million, four hundred forty-three thousand, four hundred eighty-seven".