Base | Representation |
---|---|
bin | 100001011110001… |
… | …0100110101001100 |
3 | 2220021022220120211 |
4 | 1002330110311030 |
5 | 4300004011340 |
6 | 303240052204 |
7 | 36555164551 |
oct | 10274246514 |
9 | 2807286524 |
10 | 1123110220 |
11 | 526a6a371 |
12 | 274164064 |
13 | 14b8b297b |
14 | a9236a28 |
15 | 688ed5ea |
hex | 42f14d4c |
1123110220 has 12 divisors (see below), whose sum is σ = 2358531504. Its totient is φ = 449244080.
The previous prime is 1123110193. The next prime is 1123110251. The reversal of 1123110220 is 220113211.
It is a super-2 number, since 2×11231102202 = 2522753132536896800, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1123110220.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28077736 + ... + 28077775.
It is an arithmetic number, because the mean of its divisors is an integer number (196544292).
Almost surely, 21123110220 is an apocalyptic number.
1123110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1123110220 is an abundant number, since it is smaller than the sum of its proper divisors (1235421284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1123110220 is a wasteful number, since it uses less digits than its factorization.
1123110220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56155520 (or 56155518 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 1123110220 is about 33512.8366450827. The cubic root of 1123110220 is about 1039.4592294650.
Adding to 1123110220 its reverse (220113211), we get a palindrome (1343223431).
The spelling of 1123110220 in words is "one billion, one hundred twenty-three million, one hundred ten thousand, two hundred twenty".
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