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130393943 is a prime number
BaseRepresentation
bin1111100010110…
…10011101010111
3100002100200212022
413301122131113
5231340101233
620534443355
73142221161
oct761323527
9302320768
10130393943
1167670999
123780355b
1321025ba4
1413463931
15b6aa398
hex7c5a757

130393943 has 2 divisors, whose sum is σ = 130393944. Its totient is φ = 130393942.

The previous prime is 130393937. The next prime is 130393973. The reversal of 130393943 is 349393031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130393943 - 222 = 126199639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130393973) 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, 65196971 + 65196972.

It is an arithmetic number, because the mean of its divisors is an integer number (65196972).

Almost surely, 2130393943 is an apocalyptic number.

130393943 is a deficient number, since it is larger than the sum of its proper divisors (1).

130393943 is an equidigital number, since it uses as much as digits as its factorization.

130393943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 35.

The square root of 130393943 is about 11419.0167264962. The cubic root of 130393943 is about 507.0908872563.

The spelling of 130393943 in words is "one hundred thirty million, three hundred ninety-three thousand, nine hundred forty-three".