Base | Representation |
---|---|
bin | 11000010000010000… |
… | …01100111100101000 |
3 | 1020121110211001010212 |
4 | 30020020030330220 |
5 | 203131421113200 |
6 | 5552031000252 |
7 | 640451652500 |
oct | 141010147450 |
9 | 36543731125 |
10 | 13021269800 |
11 | 5582192800 |
12 | 2634969088 |
13 | 12c690b096 |
14 | 8b7504a00 |
15 | 513254035 |
hex | 30820cf28 |
13021269800 has 432 divisors, whose sum is σ = 39481848000. Its totient is φ = 3978374400.
The previous prime is 13021269773. The next prime is 13021269803. The reversal of 13021269800 is 896212031.
It is not an unprimeable number, because it can be changed into a prime (13021269803) by changing a digit.
It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 93678131 + ... + 93678269.
Almost surely, 213021269800 is an apocalyptic number.
13021269800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13021269800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19740924000).
13021269800 is an abundant number, since it is smaller than the sum of its proper divisors (26460578200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13021269800 is a wasteful number, since it uses less digits than its factorization.
13021269800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270 (or 243 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 32.
The spelling of 13021269800 in words is "thirteen billion, twenty-one million, two hundred sixty-nine thousand, eight hundred".
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