Base | Representation |
---|---|
bin | 11000010000010001… |
… | …00101101101111100 |
3 | 1020121111000012022122 |
4 | 30020020211231330 |
5 | 203131432340020 |
6 | 5552033102112 |
7 | 640452554342 |
oct | 141010455574 |
9 | 36544005278 |
10 | 13021371260 |
11 | 5582251a57 |
12 | 26349b7938 |
13 | 12c6945311 |
14 | 8b752d992 |
15 | 513274125 |
hex | 308225b7c |
13021371260 has 24 divisors (see below), whose sum is σ = 27474485136. Its totient is φ = 5183861760.
The previous prime is 13021371257. The next prime is 13021371269. The reversal of 13021371260 is 6217312031.
It is a super-2 number, since 2×130213712602 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13021371269) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1538597 + ... + 1547036.
It is an arithmetic number, because the mean of its divisors is an integer number (1144770214).
Almost surely, 213021371260 is an apocalyptic number.
13021371260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13021371260 is an abundant number, since it is smaller than the sum of its proper divisors (14453113876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13021371260 is a wasteful number, since it uses less digits than its factorization.
13021371260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3085853 (or 3085851 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 26.
Adding to 13021371260 its reverse (6217312031), we get a palindrome (19238683291).
The spelling of 13021371260 in words is "thirteen billion, twenty-one million, three hundred seventy-one thousand, two hundred sixty".
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