Base | Representation |
---|---|
bin | 101010101010000… |
… | …0100011100000111 |
3 | 10200202021210222200 |
4 | 1111110010130013 |
5 | 10412404340143 |
6 | 354010125543 |
7 | 50320025334 |
oct | 12524043407 |
9 | 3622253880 |
10 | 1431324423 |
11 | 674a44251 |
12 | 33b4208b3 |
13 | 19a6c8539 |
14 | d814798b |
15 | 859d11d3 |
hex | 55504707 |
1431324423 has 12 divisors (see below), whose sum is σ = 2073994728. Its totient is φ = 951204240.
The previous prime is 1431324421. The next prime is 1431324437. The reversal of 1431324423 is 3244231341.
It is not a de Polignac number, because 1431324423 - 21 = 1431324421 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1431324421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247993 + ... + 253698.
It is an arithmetic number, because the mean of its divisors is an integer number (172832894).
Almost surely, 21431324423 is an apocalyptic number.
1431324423 is a deficient number, since it is larger than the sum of its proper divisors (642670305).
1431324423 is a wasteful number, since it uses less digits than its factorization.
1431324423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 502014 (or 502011 counting only the distinct ones).
The product of its digits is 6912, while the sum is 27.
The square root of 1431324423 is about 37832.8484653218. The cubic root of 1431324423 is about 1126.9708788458.
Adding to 1431324423 its reverse (3244231341), we get a palindrome (4675555764).
The spelling of 1431324423 in words is "one billion, four hundred thirty-one million, three hundred twenty-four thousand, four hundred twenty-three".
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