Base | Representation |
---|---|
bin | 10100111001101100… |
… | …11001011100110100 |
3 | 1001222001010020020022 |
4 | 22130312121130310 |
5 | 140440142042213 |
6 | 5053254224312 |
7 | 545035445261 |
oct | 123466313464 |
9 | 31861106208 |
10 | 11221440308 |
11 | 4839235211 |
12 | 2212055098 |
13 | 109aa7a810 |
14 | 786474268 |
15 | 45a231308 |
hex | 29cd99734 |
11221440308 has 48 divisors (see below), whose sum is σ = 22662037440. Its totient is φ = 4815711744.
The previous prime is 11221440301. The next prime is 11221440319. The reversal of 11221440308 is 80304412211.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11221440301) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3098 + ... + 149841.
It is an arithmetic number, because the mean of its divisors is an integer number (472125780).
Almost surely, 211221440308 is an apocalyptic number.
It is an amenable number.
11221440308 is an abundant number, since it is smaller than the sum of its proper divisors (11440597132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11221440308 is a wasteful number, since it uses less digits than its factorization.
11221440308 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153056 (or 153054 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 26.
Adding to 11221440308 its reverse (80304412211), we get a palindrome (91525852519).
The spelling of 11221440308 in words is "eleven billion, two hundred twenty-one million, four hundred forty thousand, three hundred eight".
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