Base | Representation |
---|---|
bin | 11000111111110011… |
… | …01110111101000000 |
3 | 1021122021100020122000 |
4 | 30133321232331000 |
5 | 204441023130422 |
6 | 10055355544000 |
7 | 653364136524 |
oct | 143771567500 |
9 | 37567306560 |
10 | 13420130112 |
11 | 576734a424 |
12 | 272645b000 |
13 | 135b4409bc |
14 | 91448dd84 |
15 | 53828ecac |
hex | 31fe6ef40 |
13420130112 has 56 divisors (see below), whose sum is σ = 39452702400. Its totient is φ = 4473376128.
The previous prime is 13420130111. The next prime is 13420130167. The reversal of 13420130112 is 21103102431.
13420130112 is a `hidden beast` number, since 1 + 3 + 420 + 130 + 112 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13420130111) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3881412 + ... + 3884867.
Almost surely, 213420130112 is an apocalyptic number.
13420130112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13420130112 is an abundant number, since it is smaller than the sum of its proper divisors (26032572288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13420130112 is an equidigital number, since it uses as much as digits as its factorization.
13420130112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7766300 (or 7766284 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 13420130112 its reverse (21103102431), we get a palindrome (34523232543).
The spelling of 13420130112 in words is "thirteen billion, four hundred twenty million, one hundred thirty thousand, one hundred twelve".
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