Base | Representation |
---|---|
bin | 10110110010000101… |
… | …01110000000111000 |
3 | 1011120102100120201112 |
4 | 23121002232000320 |
5 | 200022203200344 |
6 | 5341411135452 |
7 | 612050235110 |
oct | 133102560070 |
9 | 34512316645 |
10 | 12231303224 |
11 | 5207285168 |
12 | 24542a4588 |
13 | 11cc05c03a |
14 | 84062c040 |
15 | 4b8c0ec9e |
hex | 2d90ae038 |
12231303224 has 16 divisors (see below), whose sum is σ = 26209935600. Its totient is φ = 5241987072.
The previous prime is 12231303221. The next prime is 12231303247. The reversal of 12231303224 is 42230313221.
It is a self number, because there is not a number n which added to its sum of digits gives 12231303224.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12231303221) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109208009 + ... + 109208120.
It is an arithmetic number, because the mean of its divisors is an integer number (1638120975).
Almost surely, 212231303224 is an apocalyptic number.
12231303224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
12231303224 is an abundant number, since it is smaller than the sum of its proper divisors (13978632376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12231303224 is a wasteful number, since it uses less digits than its factorization.
12231303224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 218416142 (or 218416138 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 12231303224 its reverse (42230313221), we get a palindrome (54461616445).
The spelling of 12231303224 in words is "twelve billion, two hundred thirty-one million, three hundred three thousand, two hundred twenty-four".
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