Base | Representation |
---|---|
bin | 10110011001001010… |
… | …01000110110010110 |
3 | 1011000211221011112000 |
4 | 23030211020312112 |
5 | 144110142102410 |
6 | 5304541540130 |
7 | 603631126404 |
oct | 131445106626 |
9 | 34024834460 |
10 | 12022222230 |
11 | 510a25a557 |
12 | 23b6274646 |
13 | 1197945585 |
14 | 820964474 |
15 | 4a56aedc0 |
hex | 2cc948d96 |
12022222230 has 32 divisors (see below), whose sum is σ = 32059260000. Its totient is φ = 3205925856.
The previous prime is 12022222217. The next prime is 12022222243. The reversal of 12022222230 is 3222222021.
It is an interprime number because it is at equal distance from previous prime (12022222217) and next prime (12022222243).
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 22263105 + ... + 22263644.
It is an arithmetic number, because the mean of its divisors is an integer number (1001851875).
Almost surely, 212022222230 is an apocalyptic number.
12022222230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12022222230 is an abundant number, since it is smaller than the sum of its proper divisors (20037037770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12022222230 is a wasteful number, since it uses less digits than its factorization.
12022222230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44526765 (or 44526759 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
Adding to 12022222230 its reverse (3222222021), we get a palindrome (15244444251).
The spelling of 12022222230 in words is "twelve billion, twenty-two million, two hundred twenty-two thousand, two hundred thirty".
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