Base | Representation |
---|---|
bin | 1101011101000000000… |
… | …1100000000100101100 |
3 | 211002120101022012202220 |
4 | 3113100001200010230 |
5 | 12241320032234012 |
6 | 254102050515340 |
7 | 22461310546404 |
oct | 3272001400454 |
9 | 732511265686 |
10 | 231123321132 |
11 | 8a0230a9000 |
12 | 38962895b50 |
13 | 18a4433bc22 |
14 | b2877b9804 |
15 | 602a9de08c |
hex | 35d006012c |
231123321132 has 48 divisors (see below), whose sum is σ = 593176047744. Its totient is φ = 70037365200.
The previous prime is 231123321113. The next prime is 231123321167.
231123321132 is nontrivially palindromic in base 10.
It is a super-2 number, since 2×2311233211322 (a number of 24 digits) contains 22 as substring.
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 7219294 + ... + 7251237.
It is an arithmetic number, because the mean of its divisors is an integer number (12357834328).
Almost surely, 2231123321132 is an apocalyptic number.
231123321132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
231123321132 is an abundant number, since it is smaller than the sum of its proper divisors (362052726612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231123321132 is a wasteful number, since it uses less digits than its factorization.
231123321132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14470571 (or 14470547 counting only the distinct ones).
The product of its digits is 1296, while the sum is 24.
It can be divided in two parts, 231123 and 321132, that added together give a palindrome (552255).
The spelling of 231123321132 in words is "two hundred thirty-one billion, one hundred twenty-three million, three hundred twenty-one thousand, one hundred thirty-two".
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