Base | Representation |
---|---|
bin | 10110011010010100… |
… | …11110101111001111 |
3 | 1011001112100111111000 |
4 | 23031022132233033 |
5 | 144120143324330 |
6 | 5305531431343 |
7 | 604110256620 |
oct | 131512365717 |
9 | 34045314430 |
10 | 12032011215 |
11 | 5114836124 |
12 | 23b95b5553 |
13 | 1199992083 |
14 | 821d91a47 |
15 | 4a6495560 |
hex | 2cd29ebcf |
12032011215 has 32 divisors (see below), whose sum is σ = 24445992960. Its totient is φ = 5500347552.
The previous prime is 12032011213. The next prime is 12032011223. The reversal of 12032011215 is 51211023021.
12032011215 is a `hidden beast` number, since 120 + 320 + 11 + 215 = 666.
It is not a de Polignac number, because 12032011215 - 21 = 12032011213 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12032011213) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6365199 + ... + 6367088.
It is an arithmetic number, because the mean of its divisors is an integer number (763937280).
Almost surely, 212032011215 is an apocalyptic number.
12032011215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12032011215 is an abundant number, since it is smaller than the sum of its proper divisors (12413981745).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12032011215 is a wasteful number, since it uses less digits than its factorization.
12032011215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12732308 (or 12732302 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
Adding to 12032011215 its reverse (51211023021), we get a palindrome (63243034236).
The spelling of 12032011215 in words is "twelve billion, thirty-two million, eleven thousand, two hundred fifteen".
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