Base | Representation |
---|---|
bin | 1111011000111… |
… | …01010110000100 |
3 | 22222220201002221 |
4 | 13230131112010 |
5 | 231022020134 |
6 | 20450542124 |
7 | 3125201251 |
oct | 754352604 |
9 | 288821087 |
10 | 129095044 |
11 | 66964021 |
12 | 37297944 |
13 | 2098c900 |
14 | 13206428 |
15 | b5005b4 |
hex | 7b1d584 |
129095044 has 81 divisors (see below), whose sum is σ = 269897733. Its totient is φ = 53992224.
The previous prime is 129095027. The next prime is 129095047. The reversal of 129095044 is 440590921.
129095044 = T335 + T336 + ... + T932.
The square root of 129095044 is 11362.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 19096900 + 109998144 = 4370^2 + 10488^2 .
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (129095047) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5612817 + ... + 5612839.
Almost surely, 2129095044 is an apocalyptic number.
129095044 is the 11362-nd square number.
It is an amenable number.
129095044 is an abundant number, since it is smaller than the sum of its proper divisors (140802689).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129095044 is a wasteful number, since it uses less digits than its factorization.
129095044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114 (or 57 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 34.
The cubic root of 129095044 is about 505.4014962173.
The spelling of 129095044 in words is "one hundred twenty-nine million, ninety-five thousand, forty-four".
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