Base | Representation |
---|---|
bin | 10110011001010001… |
… | …00110101111110000 |
3 | 1011000220122100021121 |
4 | 23030220212233300 |
5 | 144110410143440 |
6 | 5305013232024 |
7 | 603641633260 |
oct | 131450465760 |
9 | 34026570247 |
10 | 12023131120 |
11 | 510a820400 |
12 | 23b6632614 |
13 | 1197ba3190 |
14 | 820b1d7a0 |
15 | 4a57de34a |
hex | 2cca26bf0 |
12023131120 has 240 divisors, whose sum is σ = 37819454400. Its totient is φ = 3458949120.
The previous prime is 12023131091. The next prime is 12023131123. The reversal of 12023131120 is 2113132021.
12023131120 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 (16).
It is a junction number, because it is equal to n+sod(n) for n = 12023131094 and 12023131103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12023131123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 874056 + ... + 887704.
It is an arithmetic number, because the mean of its divisors is an integer number (157581060).
Almost surely, 212023131120 is an apocalyptic number.
12023131120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12023131120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18909727200).
12023131120 is an abundant number, since it is smaller than the sum of its proper divisors (25796323280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12023131120 is a wasteful number, since it uses less digits than its factorization.
12023131120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13704 (or 13687 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 12023131120 its reverse (2113132021), we get a palindrome (14136263141).
Subtracting from 12023131120 its reverse (2113132021), we obtain a palindrome (9909999099).
The spelling of 12023131120 in words is "twelve billion, twenty-three million, one hundred thirty-one thousand, one hundred twenty".
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