Base | Representation |
---|---|
bin | 10110111101111110… |
… | …11010101101010100 |
3 | 1011211101010211112220 |
4 | 23132333122231110 |
5 | 200223230213022 |
6 | 5355334142340 |
7 | 614401425546 |
oct | 133677325524 |
9 | 34741124486 |
10 | 12331101012 |
11 | 525864877a |
12 | 24817b19b0 |
13 | 1216931799 |
14 | 84d9a9696 |
15 | 4c287485c |
hex | 2defdab54 |
12331101012 has 24 divisors (see below), whose sum is σ = 29700717312. Its totient is φ = 3977774400.
The previous prime is 12331100987. The next prime is 12331101047. The reversal of 12331101012 is 21010113321.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 12331100982 and 12331101000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16573689 + ... + 16574432.
It is an arithmetic number, because the mean of its divisors is an integer number (1237529888).
Almost surely, 212331101012 is an apocalyptic number.
12331101012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12331101012 is an abundant number, since it is smaller than the sum of its proper divisors (17369616300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12331101012 is a wasteful number, since it uses less digits than its factorization.
12331101012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33148159 (or 33148157 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 12331101012 its reverse (21010113321), we get a palindrome (33341214333).
The spelling of 12331101012 in words is "twelve billion, three hundred thirty-one million, one hundred one thousand, twelve".
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