Base | Representation |
---|---|
bin | 1101011101110001111… |
… | …0000011000011011000 |
3 | 211010002221012212002220 |
4 | 3113130132003003120 |
5 | 12242232011143112 |
6 | 254134510224040 |
7 | 22466424445542 |
oct | 3273436030330 |
9 | 733087185086 |
10 | 231332131032 |
11 | 8a11aa58a72 |
12 | 38a007b5020 |
13 | 18a7868c192 |
14 | b2a7412692 |
15 | 603ded898c |
hex | 35dc7830d8 |
231332131032 has 32 divisors (see below), whose sum is σ = 581525533680. Its totient is φ = 76684682880.
The previous prime is 231332131027. The next prime is 231332131033. The reversal of 231332131032 is 230131233132.
231332131032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 231332130993 and 231332131011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231332131033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26622283 + ... + 26630970.
Almost surely, 2231332131032 is an apocalyptic number.
It is an amenable number.
231332131032 is an abundant number, since it is smaller than the sum of its proper divisors (350193402648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231332131032 is a wasteful number, since it uses less digits than its factorization.
231332131032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53253443 (or 53253439 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 231332131032 its reverse (230131233132), we get a palindrome (461463364164).
The spelling of 231332131032 in words is "two hundred thirty-one billion, three hundred thirty-two million, one hundred thirty-one thousand, thirty-two".
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