Base | Representation |
---|---|
bin | 10110110010010100… |
… | …11101010111111100 |
3 | 1011120120011122222112 |
4 | 23121022131113330 |
5 | 200023213112340 |
6 | 5341522433152 |
7 | 612103415414 |
oct | 133112352774 |
9 | 34516148875 |
10 | 12233332220 |
11 | 520844061a |
12 | 2454b027b8 |
13 | 11cc5bc725 |
14 | 8409d9644 |
15 | 4b8eb1065 |
hex | 2d929d5fc |
12233332220 has 48 divisors (see below), whose sum is σ = 26572105728. Its totient is φ = 4725948480.
The previous prime is 12233332159. The next prime is 12233332231. The reversal of 12233332220 is 2223333221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292247 + ... + 331473.
It is an arithmetic number, because the mean of its divisors is an integer number (553585536).
Almost surely, 212233332220 is an apocalyptic number.
12233332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12233332220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13286052864).
12233332220 is an abundant number, since it is smaller than the sum of its proper divisors (14338773508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12233332220 is a wasteful number, since it uses less digits than its factorization.
12233332220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39770 (or 39768 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 23.
Adding to 12233332220 its reverse (2223333221), we get a palindrome (14456665441).
The spelling of 12233332220 in words is "twelve billion, two hundred thirty-three million, three hundred thirty-two thousand, two hundred twenty".
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