Base | Representation |
---|---|
bin | 1101001111010000100… |
… | …0110010110000010111 |
3 | 210202001021122201212212 |
4 | 3103310020302300113 |
5 | 12211241131321033 |
6 | 252252025104035 |
7 | 22301014121000 |
oct | 3236410626027 |
9 | 722037581785 |
10 | 227434245143 |
11 | 884aa77a676 |
12 | 380b332801b |
13 | 185a6c71621 |
14 | b0178801a7 |
15 | 5db1bd4748 |
hex | 34f4232c17 |
227434245143 has 32 divisors (see below), whose sum is σ = 285689241600. Its totient is φ = 180452543040.
The previous prime is 227434245139. The next prime is 227434245163. The reversal of 227434245143 is 341542434722.
It is not a de Polignac number, because 227434245143 - 22 = 227434245139 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 227434245143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (227434245163) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220430 + ... + 709547.
It is an arithmetic number, because the mean of its divisors is an integer number (8927788800).
Almost surely, 2227434245143 is an apocalyptic number.
227434245143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
227434245143 is a deficient number, since it is larger than the sum of its proper divisors (58254996457).
227434245143 is an equidigital number, since it uses as much as digits as its factorization.
227434245143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 930052 (or 930038 counting only the distinct ones).
The product of its digits is 645120, while the sum is 41.
Adding to 227434245143 its reverse (341542434722), we get a palindrome (568976679865).
The spelling of 227434245143 in words is "two hundred twenty-seven billion, four hundred thirty-four million, two hundred forty-five thousand, one hundred forty-three".
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