Base | Representation |
---|---|
bin | 1011110100110000011… |
… | …0011101010011100111 |
3 | 201102100012011121022120 |
4 | 2331030012131103213 |
5 | 11312012344133411 |
6 | 233153224001023 |
7 | 20451001262460 |
oct | 2751406352347 |
9 | 642305147276 |
10 | 203140224231 |
11 | 791733a713a |
12 | 33453300173 |
13 | 16204a8bb19 |
14 | 9b91189d67 |
15 | 543deb6106 |
hex | 2f4c19d4e7 |
203140224231 has 16 divisors (see below), whose sum is σ = 325838956800. Its totient is φ = 109970647488.
The previous prime is 203140224227. The next prime is 203140224233. The reversal of 203140224231 is 132422041302.
It is a happy number.
It is not a de Polignac number, because 203140224231 - 22 = 203140224227 is a prime.
It is a super-2 number, since 2×2031402242312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203140224233) 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, 254561286 + ... + 254562083.
It is an arithmetic number, because the mean of its divisors is an integer number (20364934800).
Almost surely, 2203140224231 is an apocalyptic number.
203140224231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
203140224231 is a deficient number, since it is larger than the sum of its proper divisors (122698732569).
203140224231 is a wasteful number, since it uses less digits than its factorization.
203140224231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 509123398.
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 203140224231 its reverse (132422041302), we get a palindrome (335562265533).
The spelling of 203140224231 in words is "two hundred three billion, one hundred forty million, two hundred twenty-four thousand, two hundred thirty-one".
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