Base | Representation |
---|---|
bin | 1111011010101… |
… | …10110110101101 |
3 | 100000100200020102 |
4 | 13231112312231 |
5 | 231102034410 |
6 | 20500000445 |
7 | 3130202105 |
oct | 755266655 |
9 | 300320212 |
10 | 129330605 |
11 | 67004aa8 |
12 | 37390125 |
13 | 20a42bb1 |
14 | 13268205 |
15 | b54a2a5 |
hex | 7b56dad |
129330605 has 32 divisors (see below), whose sum is σ = 167989248. Its totient is φ = 95385600.
The previous prime is 129330589. The next prime is 129330613. The reversal of 129330605 is 506033921.
It is not a de Polignac number, because 129330605 - 24 = 129330589 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298469 + ... + 298901.
It is an arithmetic number, because the mean of its divisors is an integer number (5249664).
Almost surely, 2129330605 is an apocalyptic number.
It is an amenable number.
129330605 is a deficient number, since it is larger than the sum of its proper divisors (38658643).
129330605 is a wasteful number, since it uses less digits than its factorization.
129330605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 557.
The product of its (nonzero) digits is 4860, while the sum is 29.
The square root of 129330605 is about 11372.3614522227. The cubic root of 129330605 is about 505.7087131307.
The spelling of 129330605 in words is "one hundred twenty-nine million, three hundred thirty thousand, six hundred five".
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