Base | Representation |
---|---|
bin | 1111011011001… |
… | …00000100000111 |
3 | 100000110102110100 |
4 | 13231210010013 |
5 | 231110302321 |
6 | 20501055143 |
7 | 3130515621 |
oct | 755440407 |
9 | 300412410 |
10 | 129384711 |
11 | 67041715 |
12 | 373b74b3 |
13 | 20a61701 |
14 | 1327dc11 |
15 | b55b326 |
hex | 7b64107 |
129384711 has 12 divisors (see below), whose sum is σ = 188816992. Its totient is φ = 85366656.
The previous prime is 129384659. The next prime is 129384743. The reversal of 129384711 is 117483921.
It is a happy number.
It is not a de Polignac number, because 129384711 - 213 = 129376519 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (129384751) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73231 + ... + 74976.
Almost surely, 2129384711 is an apocalyptic number.
129384711 is a deficient number, since it is larger than the sum of its proper divisors (59432281).
129384711 is a wasteful number, since it uses less digits than its factorization.
129384711 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148310 (or 148307 counting only the distinct ones).
The product of its digits is 12096, while the sum is 36.
The square root of 129384711 is about 11374.7400409856. The cubic root of 129384711 is about 505.7792250843.
The spelling of 129384711 in words is "one hundred twenty-nine million, three hundred eighty-four thousand, seven hundred eleven".
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