Base | Representation |
---|---|
bin | 1010111100010100001100… |
… | …1110010001001100110000 |
3 | 1120121011222011021111000211 |
4 | 2233011003032101030300 |
5 | 3034110131242210112 |
6 | 41331041154353504 |
7 | 2351143413630121 |
oct | 257050316211460 |
9 | 46534864244024 |
10 | 12031331210032 |
11 | 39195058a2712 |
12 | 142390458b894 |
13 | 69371b7c9614 |
14 | 2d8468b50048 |
15 | 15ce688520a7 |
hex | af143391330 |
12031331210032 has 80 divisors (see below), whose sum is σ = 24775661649024. Its totient is φ = 5640340608000.
The previous prime is 12031331209991. The next prime is 12031331210111. The reversal of 12031331210032 is 23001213313021.
It is a junction number, because it is equal to n+sod(n) for n = 12031331209985 and 12031331210012.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 76179307 + ... + 76337077.
Almost surely, 212031331210032 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12031331210032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12387830824512).
12031331210032 is an abundant number, since it is smaller than the sum of its proper divisors (12744330438992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12031331210032 is a wasteful number, since it uses less digits than its factorization.
12031331210032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 158858 (or 158852 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 12031331210032 its reverse (23001213313021), we get a palindrome (35032544523053).
The spelling of 12031331210032 in words is "twelve trillion, thirty-one billion, three hundred thirty-one million, two hundred ten thousand, thirty-two".
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