Base | Representation |
---|---|
bin | 1011111011001010101001… |
… | …1101101101001001101110 |
3 | 1201102102001002221102211120 |
4 | 2332302222131231021232 |
5 | 3204303013111214410 |
6 | 43515053425201410 |
7 | 2522150166026145 |
oct | 276625235551156 |
9 | 51372032842746 |
10 | 13111100101230 |
11 | 41a542822417a |
12 | 1579028a90266 |
13 | 7414aa0700a1 |
14 | 33481b37275c |
15 | 17b0b3135570 |
hex | becaa76d26e |
13111100101230 has 96 divisors (see below), whose sum is σ = 32405990682240. Its totient is φ = 3394865416320.
The previous prime is 13111100101223. The next prime is 13111100101289. The reversal of 13111100101230 is 3210100111131.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19840281 + ... + 20490459.
It is an arithmetic number, because the mean of its divisors is an integer number (337562402940).
Almost surely, 213111100101230 is an apocalyptic number.
13111100101230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13111100101230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16202995341120).
13111100101230 is an abundant number, since it is smaller than the sum of its proper divisors (19294890581010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13111100101230 is a wasteful number, since it uses less digits than its factorization.
13111100101230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 650754 (or 650717 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 15.
Adding to 13111100101230 its reverse (3210100111131), we get a palindrome (16321200212361).
Subtracting from 13111100101230 its reverse (3210100111131), we obtain a palindrome (9900999990099).
The spelling of 13111100101230 in words is "thirteen trillion, one hundred eleven billion, one hundred million, one hundred one thousand, two hundred thirty".
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