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129548033 is a prime number
BaseRepresentation
bin1111011100010…
…11111100000001
3100000202201111022
413232023330001
5231131014113
620504355225
73132066026
oct756137401
9300681438
10129548033
116714339a
1237475b15
1320abab54
14132c354d
15b58e908
hex7b8bf01

129548033 has 2 divisors, whose sum is σ = 129548034. Its totient is φ = 129548032.

The previous prime is 129548009. The next prime is 129548093. The reversal of 129548033 is 330845921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72046144 + 57501889 = 8488^2 + 7583^2 .

It is a cyclic number.

It is not a de Polignac number, because 129548033 - 210 = 129547009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 129547984 and 129548002.

It is not a weakly prime, because it can be changed into another prime (129548093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64774016 + 64774017.

It is an arithmetic number, because the mean of its divisors is an integer number (64774017).

Almost surely, 2129548033 is an apocalyptic number.

It is an amenable number.

129548033 is a deficient number, since it is larger than the sum of its proper divisors (1).

129548033 is an equidigital number, since it uses as much as digits as its factorization.

129548033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 129548033 is about 11381.9169299376. The cubic root of 129548033 is about 505.9919502227.

The spelling of 129548033 in words is "one hundred twenty-nine million, five hundred forty-eight thousand, thirty-three".