Base | Representation |
---|---|
bin | 10110111011100110… |
… | …10000001110000000 |
3 | 1011202222120110110211 |
4 | 23131303100032000 |
5 | 200203122310404 |
6 | 5353342203504 |
7 | 614036631112 |
oct | 133563201600 |
9 | 34688513424 |
10 | 12311135104 |
11 | 5248351024 |
12 | 2476b83594 |
13 | 1212760a38 |
14 | 84b08d3b2 |
15 | 4c0c2db04 |
hex | 2ddcd0380 |
12311135104 has 64 divisors (see below), whose sum is σ = 25034851440. Its totient is φ = 6028312576.
The previous prime is 12311135093. The next prime is 12311135117. The reversal of 12311135104 is 40153111321.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (64).
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, 4632144 + ... + 4634800.
Almost surely, 212311135104 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 12311135104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12517425720).
12311135104 is an abundant number, since it is smaller than the sum of its proper divisors (12723716336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12311135104 is an equidigital number, since it uses as much as digits as its factorization.
12311135104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3407 (or 3395 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 22.
Adding to 12311135104 its reverse (40153111321), we get a palindrome (52464246425).
The spelling of 12311135104 in words is "twelve billion, three hundred eleven million, one hundred thirty-five thousand, one hundred four".
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