Base | Representation |
---|---|
bin | 1011110101111100001000… |
… | …0010001010101011100000 |
3 | 1201002211020212111201200210 |
4 | 2331133002002022223200 |
5 | 3201320111103101422 |
6 | 43405523031414120 |
7 | 2512520661115641 |
oct | 275370202125340 |
9 | 51084225451623 |
10 | 13021301222112 |
11 | 4170337091197 |
12 | 1563747524340 |
13 | 735b98b08361 |
14 | 33033d0696c8 |
15 | 178aa978510c |
hex | bd7c208aae0 |
13021301222112 has 192 divisors, whose sum is σ = 34888513363200. Its totient is φ = 4251502080000.
The previous prime is 13021301222093. The next prime is 13021301222119. The reversal of 13021301222112 is 21122210312031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13021301222119) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 613883187 + ... + 613904397.
It is an arithmetic number, because the mean of its divisors is an integer number (181711007100).
Almost surely, 213021301222112 is an apocalyptic number.
13021301222112 is a gapful number since it is divisible by the number (12) 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 13021301222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17444256681600).
13021301222112 is an abundant number, since it is smaller than the sum of its proper divisors (21867212141088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13021301222112 is a wasteful number, since it uses less digits than its factorization.
13021301222112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21897 (or 21889 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 13021301222112 its reverse (21122210312031), we get a palindrome (34143511534143).
The spelling of 13021301222112 in words is "thirteen trillion, twenty-one billion, three hundred one million, two hundred twenty-two thousand, one hundred twelve".
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