Base | Representation |
---|---|
bin | 10111001001001001… |
… | …00100000100101100 |
3 | 1012001220022102012212 |
4 | 23210210210010230 |
5 | 200421212143110 |
6 | 5412520545552 |
7 | 616616263256 |
oct | 134444440454 |
9 | 35056272185 |
10 | 12424724780 |
11 | 52a6484696 |
12 | 24a90222b8 |
13 | 1230151c70 |
14 | 85c1bacd6 |
15 | 4cabb9e05 |
hex | 2e492412c |
12424724780 has 48 divisors (see below), whose sum is σ = 28108305120. Its totient is φ = 4586070528.
The previous prime is 12424724779. The next prime is 12424724783. The reversal of 12424724780 is 8742742421.
It is not an unprimeable number, because it can be changed into a prime (12424724783) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1048931 + ... + 1060709.
It is an arithmetic number, because the mean of its divisors is an integer number (585589690).
Almost surely, 212424724780 is an apocalyptic number.
12424724780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12424724780 is an abundant number, since it is smaller than the sum of its proper divisors (15683580340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12424724780 is a wasteful number, since it uses less digits than its factorization.
12424724780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15858 (or 15856 counting only the distinct ones).
The product of its (nonzero) digits is 200704, while the sum is 41.
The spelling of 12424724780 in words is "twelve billion, four hundred twenty-four million, seven hundred twenty-four thousand, seven hundred eighty".
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