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130445459 is a prime number
BaseRepresentation
bin1111100011001…
…11000010010011
3100002110022112022
413301213002103
5231343223314
620535522055
73142524314
oct761470223
9302408468
10130445459
11676a6671
123782932b
1321043481
141347860b
15b6ba78e
hex7c67093

130445459 has 2 divisors, whose sum is σ = 130445460. Its totient is φ = 130445458.

The previous prime is 130445429. The next prime is 130445467. The reversal of 130445459 is 954544031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130445459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130445429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65222729 + 65222730.

It is an arithmetic number, because the mean of its divisors is an integer number (65222730).

Almost surely, 2130445459 is an apocalyptic number.

130445459 is a deficient number, since it is larger than the sum of its proper divisors (1).

130445459 is an equidigital number, since it uses as much as digits as its factorization.

130445459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 130445459 is about 11421.2722146003. The cubic root of 130445459 is about 507.1576589024.

The spelling of 130445459 in words is "one hundred thirty million, four hundred forty-five thousand, four hundred fifty-nine".