Base | Representation |
---|---|
bin | 1011110101111000100000… |
… | …1010011100001000001000 |
3 | 1201002201202012120101200102 |
4 | 2331132020022130020020 |
5 | 3201311114024442300 |
6 | 43405242425424532 |
7 | 2512454631403541 |
oct | 275361012341010 |
9 | 51081665511612 |
10 | 13020330312200 |
11 | 416a989027202 |
12 | 156351633b148 |
13 | 735a72914c53 |
14 | 33028a1314c8 |
15 | 178a4e3ed0d5 |
hex | bd78829c208 |
13020330312200 has 96 divisors (see below), whose sum is σ = 30384262827360. Its totient is φ = 5188880985600.
The previous prime is 13020330312149. The next prime is 13020330312217. The reversal of 13020330312200 is 221303302031.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126838895 + ... + 126941505.
It is an arithmetic number, because the mean of its divisors is an integer number (316502737785).
Almost surely, 213020330312200 is an apocalyptic number.
13020330312200 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 13020330312200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15192131413680).
13020330312200 is an abundant number, since it is smaller than the sum of its proper divisors (17363932515160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13020330312200 is a wasteful number, since it uses less digits than its factorization.
13020330312200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104967 (or 104958 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 13020330312200 its reverse (221303302031), we get a palindrome (13241633614231).
The spelling of 13020330312200 in words is "thirteen trillion, twenty billion, three hundred thirty million, three hundred twelve thousand, two hundred".
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