Base | Representation |
---|---|
bin | 1011101101101001101… |
… | …1100001000111010111 |
3 | 201020102021122210121220 |
4 | 2323122123201013113 |
5 | 11244111141022411 |
6 | 232240100341423 |
7 | 20352513325602 |
oct | 2733233410727 |
9 | 636367583556 |
10 | 201233142231 |
11 | 78384954210 |
12 | 330006a4873 |
13 | 15c8c948934 |
14 | 9a4db9b339 |
15 | 537b859b06 |
hex | 2eda6e11d7 |
201233142231 has 32 divisors (see below), whose sum is σ = 304419920640. Its totient is φ = 117170323200.
The previous prime is 201233142197. The next prime is 201233142233. The reversal of 201233142231 is 132241332102.
It is not a de Polignac number, because 201233142231 - 217 = 201233011159 is a prime.
It is a super-4 number, since 4×2012331422314 (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201233142233) 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, 1075846 + ... + 1248963.
It is an arithmetic number, because the mean of its divisors is an integer number (9513122520).
Almost surely, 2201233142231 is an apocalyptic number.
201233142231 is a deficient number, since it is larger than the sum of its proper divisors (103186778409).
201233142231 is a wasteful number, since it uses less digits than its factorization.
201233142231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2324927.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 201233142231 its reverse (132241332102), we get a palindrome (333474474333).
The spelling of 201233142231 in words is "two hundred one billion, two hundred thirty-three million, one hundred forty-two thousand, two hundred thirty-one".
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