Base | Representation |
---|---|
bin | 11001001101000010… |
… | …00101101110101110 |
3 | 1021221000011121212000 |
4 | 30212201011232232 |
5 | 210202431012233 |
6 | 10114402353130 |
7 | 656212353135 |
oct | 144641055656 |
9 | 37830147760 |
10 | 13531110318 |
11 | 5813a60500 |
12 | 275765b7a6 |
13 | 137842a26b |
14 | 9250dc91c |
15 | 542db2d13 |
hex | 326845bae |
13531110318 has 48 divisors (see below), whose sum is σ = 33051212880. Its totient is φ = 4100334480.
The previous prime is 13531110317. The next prime is 13531110323. The reversal of 13531110318 is 81301113531.
13531110318 is a `hidden beast` number, since 1 + 3 + 531 + 110 + 3 + 18 = 666.
13531110318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×135311103182 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 13531110291 and 13531110300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13531110317) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1028905 + ... + 1041972.
It is an arithmetic number, because the mean of its divisors is an integer number (688566935).
Almost surely, 213531110318 is an apocalyptic number.
13531110318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
13531110318 is an abundant number, since it is smaller than the sum of its proper divisors (19520102562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13531110318 is a wasteful number, since it uses less digits than its factorization.
13531110318 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2070910 (or 2070893 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 27.
Adding to 13531110318 its reverse (81301113531), we get a palindrome (94832223849).
The spelling of 13531110318 in words is "thirteen billion, five hundred thirty-one million, one hundred ten thousand, three hundred eighteen".
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