Base | Representation |
---|---|
bin | 10000110110001… |
… | …00000011100111 |
3 | 100211220101221100 |
4 | 20123010003213 |
5 | 242133442411 |
6 | 22004451143 |
7 | 3334064004 |
oct | 1033040347 |
9 | 324811840 |
10 | 141312231 |
11 | 72848a75 |
12 | 3b3a9ab3 |
13 | 23379708 |
14 | 14aa68ab |
15 | c615456 |
hex | 86c40e7 |
141312231 has 24 divisors (see below), whose sum is σ = 208733616. Its totient is φ = 92102400.
The previous prime is 141312203. The next prime is 141312239. The reversal of 141312231 is 132213141.
It is not a de Polignac number, because 141312231 - 27 = 141312103 is a prime.
It is a super-2 number, since 2×1413122312 = 39938293260394722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (141312239) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74511 + ... + 76383.
It is an arithmetic number, because the mean of its divisors is an integer number (8697234).
Almost surely, 2141312231 is an apocalyptic number.
141312231 is a deficient number, since it is larger than the sum of its proper divisors (67421385).
141312231 is a wasteful number, since it uses less digits than its factorization.
141312231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2063 (or 2060 counting only the distinct ones).
The product of its digits is 144, while the sum is 18.
The square root of 141312231 is about 11887.4821135512. The cubic root of 141312231 is about 520.8666895387.
Adding to 141312231 its reverse (132213141), we get a palindrome (273525372).
The spelling of 141312231 in words is "one hundred forty-one million, three hundred twelve thousand, two hundred thirty-one".
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