Base | Representation |
---|---|
bin | 10110111010101010… |
… | …00011110100100000 |
3 | 1011202102200022222211 |
4 | 23131111003310200 |
5 | 200144111020000 |
6 | 5352500411504 |
7 | 613612434031 |
oct | 133525036440 |
9 | 34672608884 |
10 | 12303220000 |
11 | 5243935315 |
12 | 24743a6b94 |
13 | 1210c1c146 |
14 | 849dcca88 |
15 | 4c01b87ba |
hex | 2dd543d20 |
12303220000 has 60 divisors (see below), whose sum is σ = 30267815886. Its totient is φ = 4921280000.
The previous prime is 12303219997. The next prime is 12303220009. The reversal of 12303220000 is 2230321.
It is a happy number.
It can be written as a sum of positive squares in 5 ways, for example, as 843089296 + 11460130704 = 29036^2 + 107052^2 .
It is not an unprimeable number, because it can be changed into a prime (12303220009) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 287581 + ... + 327580.
Almost surely, 212303220000 is an apocalyptic number.
12303220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12303220000 is an abundant number, since it is smaller than the sum of its proper divisors (17964595886).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12303220000 is an frugal number, since it uses more digits than its factorization.
12303220000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 615191 (or 615168 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 12303220000 its reverse (2230321), we get a palindrome (12305450321).
The spelling of 12303220000 in words is "twelve billion, three hundred three million, two hundred twenty thousand".
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