Base | Representation |
---|---|
bin | 1100000000111011111100… |
… | …1000011101111101010000 |
3 | 1201202212220201102010001012 |
4 | 3000032333020131331100 |
5 | 3212414023130301222 |
6 | 44032410230430052 |
7 | 2532256561450055 |
oct | 300167710357520 |
9 | 51685821363035 |
10 | 13210231103312 |
11 | 4233478082281 |
12 | 1594293802328 |
13 | 74a94781c279 |
14 | 339542c2702c |
15 | 17d965e191e2 |
hex | c03bf21df50 |
13210231103312 has 20 divisors (see below), whose sum is σ = 25637984370900. Its totient is φ = 6593977072128.
The previous prime is 13210231103291. The next prime is 13210231103317. The reversal of 13210231103312 is 21330113201231.
13210231103312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 2983896940816 + 10226334162496 = 1727396^2 + 3197864^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13210231103317) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696145187 + ... + 696164162.
It is an arithmetic number, because the mean of its divisors is an integer number (1281899218545).
Almost surely, 213210231103312 is an apocalyptic number.
It is an amenable number.
13210231103312 is a deficient number, since it is larger than the sum of its proper divisors (12427753267588).
13210231103312 is a wasteful number, since it uses less digits than its factorization.
13210231103312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1392309950 (or 1392309944 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 13210231103312 its reverse (21330113201231), we get a palindrome (34540344304543).
The spelling of 13210231103312 in words is "thirteen trillion, two hundred ten billion, two hundred thirty-one million, one hundred three thousand, three hundred twelve".
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