Base | Representation |
---|---|
bin | 101110111100… |
… | …001011101111 |
3 | 212011011110202 |
4 | 232330023233 |
5 | 11122231020 |
6 | 1115424115 |
7 | 206410013 |
oct | 56741357 |
9 | 25134422 |
10 | 12305135 |
11 | 6a45037 |
12 | 415503b |
13 | 271ab5b |
14 | 18c4543 |
15 | 1130e75 |
hex | bbc2ef |
12305135 has 16 divisors (see below), whose sum is σ = 15431040. Its totient is φ = 9408000.
The previous prime is 12305113. The next prime is 12305149. The reversal of 12305135 is 53150321.
It is not a de Polignac number, because 12305135 - 26 = 12305071 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16010 + ... + 16760.
It is an arithmetic number, because the mean of its divisors is an integer number (964440).
Almost surely, 212305135 is an apocalyptic number.
12305135 is a deficient number, since it is larger than the sum of its proper divisors (3125905).
12305135 is a wasteful number, since it uses less digits than its factorization.
12305135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 898.
The product of its (nonzero) digits is 450, while the sum is 20.
The square root of 12305135 is about 3507.8675858704. The cubic root of 12305135 is about 230.8671424831.
Adding to 12305135 its reverse (53150321), we get a palindrome (65455456).
The spelling of 12305135 in words is "twelve million, three hundred five thousand, one hundred thirty-five".
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