Base | Representation |
---|---|
bin | 10111001000100101… |
… | …01010101000010010 |
3 | 1012001120111001100210 |
4 | 23210102222220102 |
5 | 200414012024132 |
6 | 5412232224550 |
7 | 616531352604 |
oct | 134422525022 |
9 | 35046431323 |
10 | 12420033042 |
11 | 52a386a71a |
12 | 24a753b156 |
13 | 122c19b5a1 |
14 | 85b719174 |
15 | 4ca58ebcc |
hex | 2e44aaa12 |
12420033042 has 32 divisors (see below), whose sum is σ = 24923821824. Its totient is φ = 4126073600.
The previous prime is 12420033023. The next prime is 12420033049. The reversal of 12420033042 is 24033002421.
It is not an unprimeable number, because it can be changed into a prime (12420033049) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3300442 + ... + 3304202.
It is an arithmetic number, because the mean of its divisors is an integer number (778869432).
Almost surely, 212420033042 is an apocalyptic number.
12420033042 is an abundant number, since it is smaller than the sum of its proper divisors (12503788782).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12420033042 is a wasteful number, since it uses less digits than its factorization.
12420033042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5474.
The product of its (nonzero) digits is 1152, while the sum is 21.
Adding to 12420033042 its reverse (24033002421), we get a palindrome (36453035463).
The spelling of 12420033042 in words is "twelve billion, four hundred twenty million, thirty-three thousand, forty-two".
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