Base | Representation |
---|---|
bin | 100111010101001100… |
… | …000111101111111111 |
3 | 11001000011212221012100 |
4 | 213111030013233333 |
5 | 1142442221231033 |
6 | 31222330040143 |
7 | 3023351143020 |
oct | 472514075777 |
9 | 131004787170 |
10 | 42231430143 |
11 | 16a015a5591 |
12 | 8227279053 |
13 | 3ca0469b26 |
14 | 2088aaac47 |
15 | 1172861513 |
hex | 9d5307bff |
42231430143 has 12 divisors (see below), whose sum is σ = 69715376848. Its totient is φ = 24132245760.
The previous prime is 42231430123. The next prime is 42231430181. The reversal of 42231430143 is 34103413224.
42231430143 is a `hidden beast` number, since 4 + 2 + 2 + 314 + 301 + 43 = 666.
It is not a de Polignac number, because 42231430143 - 222 = 42227235839 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42231430123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335170018 + ... + 335170143.
Almost surely, 242231430143 is an apocalyptic number.
42231430143 is a deficient number, since it is larger than the sum of its proper divisors (27483946705).
42231430143 is a wasteful number, since it uses less digits than its factorization.
42231430143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 670340174 (or 670340171 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 42231430143 its reverse (34103413224), we get a palindrome (76334843367).
The spelling of 42231430143 in words is "forty-two billion, two hundred thirty-one million, four hundred thirty thousand, one hundred forty-three".
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