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129061343 is a prime number
BaseRepresentation
bin1111011000101…
…01000111011111
322222211222212202
413230111013133
5231014430333
620450122115
73125001065
oct754250737
9288758782
10129061343
1166940774
123728033b
132097a478
14131d8035
15b4e55e8
hex7b151df

129061343 has 2 divisors, whose sum is σ = 129061344. Its totient is φ = 129061342.

The previous prime is 129061321. The next prime is 129061351. The reversal of 129061343 is 343160921.

It is a strong prime.

It is an emirp because it is prime and its reverse (343160921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129061343 - 210 = 129060319 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129061393) 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, 64530671 + 64530672.

It is an arithmetic number, because the mean of its divisors is an integer number (64530672).

Almost surely, 2129061343 is an apocalyptic number.

129061343 is a deficient number, since it is larger than the sum of its proper divisors (1).

129061343 is an equidigital number, since it uses as much as digits as its factorization.

129061343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 129061343 is about 11360.5168456369. The cubic root of 129061343 is about 505.3575130722.

The spelling of 129061343 in words is "one hundred twenty-nine million, sixty-one thousand, three hundred forty-three".