Base | Representation |
---|---|
bin | 10110011001010001… |
… | …11000010100110000 |
3 | 1011000220210000001021 |
4 | 23030220320110300 |
5 | 144110414444440 |
6 | 5305014545224 |
7 | 603642353215 |
oct | 131450702460 |
9 | 34026700037 |
10 | 12023203120 |
11 | 510a86a505 |
12 | 23b6668214 |
13 | 1197bc9b96 |
14 | 820b3bb0c |
15 | 4a580584a |
hex | 2cca38530 |
12023203120 has 40 divisors (see below), whose sum is σ = 27962022816. Its totient is φ = 4807891968.
The previous prime is 12023203111. The next prime is 12023203141. The reversal of 12023203120 is 2130232021.
It is a tau number, because it is divible by the number of its divisors (40).
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 = 12023203094 and 12023203103.
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, 283629 + ... + 323251.
Almost surely, 212023203120 is an apocalyptic number.
12023203120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12023203120 is an abundant number, since it is smaller than the sum of its proper divisors (15938819696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12023203120 is a wasteful number, since it uses less digits than its factorization.
12023203120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43429 (or 43423 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 12023203120 its reverse (2130232021), we get a palindrome (14153435141).
The spelling of 12023203120 in words is "twelve billion, twenty-three million, two hundred three thousand, one hundred twenty".
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