Base | Representation |
---|---|
bin | 1111011010001… |
… | …10111100000101 |
3 | 100000020100210220 |
4 | 13231012330011 |
5 | 231042443123 |
6 | 20454334553 |
7 | 3126511044 |
oct | 755067405 |
9 | 300210726 |
10 | 129265413 |
11 | 66a70022 |
12 | 3735a459 |
13 | 20a1c314 |
14 | 1324c55b |
15 | b535ce3 |
hex | 7b46f05 |
129265413 has 8 divisors (see below), whose sum is σ = 173594400. Its totient is φ = 85556688.
The previous prime is 129265373. The next prime is 129265421. The reversal of 129265413 is 314562921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 129265413 - 26 = 129265349 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (129265453) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154578 + ... + 155411.
It is an arithmetic number, because the mean of its divisors is an integer number (21699300).
Almost surely, 2129265413 is an apocalyptic number.
It is an amenable number.
129265413 is a deficient number, since it is larger than the sum of its proper divisors (44328987).
129265413 is a wasteful number, since it uses less digits than its factorization.
129265413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 310131.
The product of its digits is 12960, while the sum is 33.
The square root of 129265413 is about 11369.4948436595. The cubic root of 129265413 is about 505.6237275662.
The spelling of 129265413 in words is "one hundred twenty-nine million, two hundred sixty-five thousand, four hundred thirteen".
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