Base | Representation |
---|---|
bin | 11000101100001011… |
… | …00000100000110010 |
3 | 1021012210110100111000 |
4 | 30112011200200302 |
5 | 204121343211110 |
6 | 10031154102430 |
7 | 646324263606 |
oct | 142605404062 |
9 | 37183410430 |
10 | 13255444530 |
11 | 5692397739 |
12 | 269b27aa16 |
13 | 133329c603 |
14 | 8da661506 |
15 | 528aae1c0 |
hex | 316160832 |
13255444530 has 32 divisors (see below), whose sum is σ = 35347852800. Its totient is φ = 3534785136.
The previous prime is 13255444507. The next prime is 13255444537. The reversal of 13255444530 is 3544455231.
13255444530 is a `hidden beast` number, since 1 + 32 + 5 + 54 + 44 + 530 = 666.
It is not an unprimeable number, because it can be changed into a prime (13255444537) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24546850 + ... + 24547389.
It is an arithmetic number, because the mean of its divisors is an integer number (1104620400).
Almost surely, 213255444530 is an apocalyptic number.
13255444530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13255444530 is an abundant number, since it is smaller than the sum of its proper divisors (22092408270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13255444530 is a wasteful number, since it uses less digits than its factorization.
13255444530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49094255 (or 49094249 counting only the distinct ones).
The product of its (nonzero) digits is 144000, while the sum is 36.
Adding to 13255444530 its reverse (3544455231), we get a palindrome (16799899761).
The spelling of 13255444530 in words is "thirteen billion, two hundred fifty-five million, four hundred forty-four thousand, five hundred thirty".
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