Base | Representation |
---|---|
bin | 11001000010001111… |
… | …00011011100111011 |
3 | 1021200200201200100010 |
4 | 30201013203130323 |
5 | 210011233431420 |
6 | 10101405113003 |
7 | 654032423226 |
oct | 144107433473 |
9 | 37620650303 |
10 | 13440530235 |
11 | 5777913330 |
12 | 2731258763 |
13 | 1362734292 |
14 | 9170805bd |
15 | 539e6e4e0 |
hex | 3211e373b |
13440530235 has 32 divisors (see below), whose sum is σ = 23557248000. Its totient is φ = 6489561600.
The previous prime is 13440530209. The next prime is 13440530237. The reversal of 13440530235 is 53203504431.
It is not a de Polignac number, because 13440530235 - 25 = 13440530203 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13440530237) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129235 + ... + 208764.
It is an arithmetic number, because the mean of its divisors is an integer number (736164000).
Almost surely, 213440530235 is an apocalyptic number.
13440530235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13440530235 is a deficient number, since it is larger than the sum of its proper divisors (10116717765).
13440530235 is a wasteful number, since it uses less digits than its factorization.
13440530235 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 338259.
The product of its (nonzero) digits is 21600, while the sum is 30.
The spelling of 13440530235 in words is "thirteen billion, four hundred forty million, five hundred thirty thousand, two hundred thirty-five".
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