Base | Representation |
---|---|
bin | 10110010110101010… |
… | …11100111111101110 |
3 | 1010222101121220012100 |
4 | 23023111130333232 |
5 | 144034320130410 |
6 | 5302514115530 |
7 | 603255435465 |
oct | 131325347756 |
9 | 33871556170 |
10 | 12001333230 |
11 | 50a9492317 |
12 | 23ab27bba6 |
13 | 1193510613 |
14 | 81bc879dc |
15 | 4a39358c0 |
hex | 2cb55cfee |
12001333230 has 24 divisors (see below), whose sum is σ = 31203466632. Its totient is φ = 3200355504.
The previous prime is 12001333207. The next prime is 12001333237. The reversal of 12001333230 is 3233310021.
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 (12001333237) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66673984 + ... + 66674163.
It is an arithmetic number, because the mean of its divisors is an integer number (1300144443).
Almost surely, 212001333230 is an apocalyptic number.
12001333230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12001333230 is an abundant number, since it is smaller than the sum of its proper divisors (19202133402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12001333230 is a wasteful number, since it uses less digits than its factorization.
12001333230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133348160 (or 133348157 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 12001333230 its reverse (3233310021), we get a palindrome (15234643251).
The spelling of 12001333230 in words is "twelve billion, one million, three hundred thirty-three thousand, two hundred thirty".
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