Base | Representation |
---|---|
bin | 10110011010001111… |
… | …00000000101111010 |
3 | 1011001110212211022100 |
4 | 23031013200011322 |
5 | 144114443332310 |
6 | 5305503004230 |
7 | 604100525160 |
oct | 131507400572 |
9 | 34043784270 |
10 | 12031230330 |
11 | 5114352469 |
12 | 23b9299676 |
13 | 119977a802 |
14 | 821c2b230 |
15 | 4a638dec0 |
hex | 2cd1e017a |
12031230330 has 96 divisors (see below), whose sum is σ = 35771134464. Its totient is φ = 2748365568.
The previous prime is 12031230313. The next prime is 12031230359. The reversal of 12031230330 is 3303213021.
12031230330 is a `hidden beast` number, since 1 + 20 + 312 + 3 + 0 + 330 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1295062 + ... + 1304318.
It is an arithmetic number, because the mean of its divisors is an integer number (372615984).
Almost surely, 212031230330 is an apocalyptic number.
12031230330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12031230330 is an abundant number, since it is smaller than the sum of its proper divisors (23739904134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12031230330 is a wasteful number, since it uses less digits than its factorization.
12031230330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11340 (or 11337 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 12031230330 its reverse (3303213021), we get a palindrome (15334443351).
The spelling of 12031230330 in words is "twelve billion, thirty-one million, two hundred thirty thousand, three hundred thirty".
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