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130493929 is a prime number
BaseRepresentation
bin1111100011100…
…10110111101001
3100002112210000111
413301302313221
5231401301204
620540534321
73143115526
oct761626751
9302483014
10130493929
116772a025
12378513a1
132105c557
141348c14d
15b6c9d04
hex7c72de9

130493929 has 2 divisors, whose sum is σ = 130493930. Its totient is φ = 130493928.

The previous prime is 130493903. The next prime is 130493963. The reversal of 130493929 is 929394031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130074025 + 419904 = 11405^2 + 648^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130493929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130493891 and 130493900.

It is not a weakly prime, because it can be changed into another prime (130493969) 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, 65246964 + 65246965.

It is an arithmetic number, because the mean of its divisors is an integer number (65246965).

Almost surely, 2130493929 is an apocalyptic number.

It is an amenable number.

130493929 is a deficient number, since it is larger than the sum of its proper divisors (1).

130493929 is an equidigital number, since it uses as much as digits as its factorization.

130493929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 130493929 is about 11423.3939352541. The cubic root of 130493929 is about 507.2204664744.

The spelling of 130493929 in words is "one hundred thirty million, four hundred ninety-three thousand, nine hundred twenty-nine".