Base | Representation |
---|---|
bin | 1100000001100000011011… |
… | …0010010110100100000000 |
3 | 1201210211012010222011102220 |
4 | 3000120012302112210000 |
5 | 3213044101414400000 |
6 | 44041110025211040 |
7 | 2533054333056651 |
oct | 300300662264400 |
9 | 51724163864386 |
10 | 13220023200000 |
11 | 42376424a6471 |
12 | 1596167030a80 |
13 | 74b848416016 |
14 | 339bd150b528 |
15 | 17dd3a90b1a0 |
hex | c0606c96900 |
13220023200000 has 864 divisors, whose sum is σ = 45868639969152. Its totient is φ = 3376988160000.
The previous prime is 13220023199941. The next prime is 13220023200001. The reversal of 13220023200000 is 232002231.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is not an unprimeable number, because it can be changed into a prime (13220023200001) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5469598792 + ... + 5469601208.
It is an arithmetic number, because the mean of its divisors is an integer number (53088703668).
Almost surely, 213220023200000 is an apocalyptic number.
13220023200000 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 13220023200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22934319984576).
13220023200000 is an abundant number, since it is smaller than the sum of its proper divisors (32648616769152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13220023200000 is an frugal number, since it uses more digits than its factorization.
13220023200000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2557 (or 2523 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 13220023200000 its reverse (232002231), we get a palindrome (13220255202231).
The spelling of 13220023200000 in words is "thirteen trillion, two hundred twenty billion, twenty-three million, two hundred thousand".
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