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130842643 is a prime number
BaseRepresentation
bin1111100110010…
…00000000010011
3100010012111100211
413303020000103
5231443431033
620552224551
73146100301
oct763100023
9303174324
10130842643
1167948018
123799b157
13211521a9
141353d271
15b7482cd
hex7cc8013

130842643 has 2 divisors, whose sum is σ = 130842644. Its totient is φ = 130842642.

The previous prime is 130842631. The next prime is 130842667. The reversal of 130842643 is 346248031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130842643 - 217 = 130711571 is a prime.

It is not a weakly prime, because it can be changed into another prime (130842623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65421321 + 65421322.

It is an arithmetic number, because the mean of its divisors is an integer number (65421322).

Almost surely, 2130842643 is an apocalyptic number.

130842643 is a deficient number, since it is larger than the sum of its proper divisors (1).

130842643 is an equidigital number, since it uses as much as digits as its factorization.

130842643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 130842643 is about 11438.6469042453. The cubic root of 130842643 is about 507.6718733217.

The spelling of 130842643 in words is "one hundred thirty million, eight hundred forty-two thousand, six hundred forty-three".