Base | Representation |
---|---|
bin | 1100110100011011001… |
… | …0100110010010001110 |
3 | 210001110021111000212021 |
4 | 3031012302212102032 |
5 | 12102013114014410 |
6 | 245101150400354 |
7 | 21624346423612 |
oct | 3150662462216 |
9 | 701407430767 |
10 | 220231001230 |
11 | 85443727929 |
12 | 36822b000ba |
13 | 179c9816a16 |
14 | a932d39342 |
15 | 5ade61eeda |
hex | 3346ca648e |
220231001230 has 32 divisors (see below), whose sum is σ = 404634261024. Its totient is φ = 86272158336.
The previous prime is 220231001219. The next prime is 220231001233. The reversal of 220231001230 is 32100132022.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220231001233) 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, 89917 + ... + 669736.
It is an arithmetic number, because the mean of its divisors is an integer number (12644820657).
Almost surely, 2220231001230 is an apocalyptic number.
220231001230 is a deficient number, since it is larger than the sum of its proper divisors (184403259794).
220231001230 is a wasteful number, since it uses less digits than its factorization.
220231001230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 760260.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 220231001230 its reverse (32100132022), we get a palindrome (252331133252).
The spelling of 220231001230 in words is "two hundred twenty billion, two hundred thirty-one million, one thousand, two hundred thirty".
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