Base | Representation |
---|---|
bin | 111100100101111010… |
… | …0101001111100000000 |
3 | 110102212100211102220020 |
4 | 1321023310221330000 |
5 | 4112442001111334 |
6 | 135435443013440 |
7 | 12254344133325 |
oct | 1711364517400 |
9 | 412770742806 |
10 | 130121113344 |
11 | 50202a81402 |
12 | 2127536a280 |
13 | c368ccb431 |
14 | 64255d4b4c |
15 | 35b87d8e49 |
hex | 1e4bd29f00 |
130121113344 has 72 divisors (see below), whose sum is σ = 346731364560. Its totient is φ = 43321171968.
The previous prime is 130121113321. The next prime is 130121113361. The reversal of 130121113344 is 443311121031.
It is a happy number.
130121113344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534484 + ... + 738860.
Almost surely, 2130121113344 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 130121113344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173365682280).
130121113344 is an abundant number, since it is smaller than the sum of its proper divisors (216610251216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130121113344 is an equidigital number, since it uses as much as digits as its factorization.
130121113344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205225 (or 205211 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 24.
Adding to 130121113344 its reverse (443311121031), we get a palindrome (573432234375).
The spelling of 130121113344 in words is "one hundred thirty billion, one hundred twenty-one million, one hundred thirteen thousand, three hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •