Base | Representation |
---|---|
bin | 10110010111001000… |
… | …11001101110101000 |
3 | 1010222122222222202021 |
4 | 23023210121232220 |
5 | 144041321031013 |
6 | 5303134114224 |
7 | 603333646501 |
oct | 131344315650 |
9 | 33878888667 |
10 | 12005252008 |
11 | 5100719582 |
12 | 23b064b974 |
13 | 1194283219 |
14 | 81c5c7ba8 |
15 | 4a3e5ba8d |
hex | 2cb919ba8 |
12005252008 has 16 divisors (see below), whose sum is σ = 22762768500. Its totient is φ = 5935180416.
The previous prime is 12005251997. The next prime is 12005252009. The reversal of 12005252008 is 80025250021.
12005252008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 8701531524 + 3303720484 = 93282^2 + 57478^2 .
It is not an unprimeable number, because it can be changed into a prime (12005252009) 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 3 ways as a sum of consecutive naturals, for example, 8429943 + ... + 8431366.
Almost surely, 212005252008 is an apocalyptic number.
It is an amenable number.
12005252008 is a deficient number, since it is larger than the sum of its proper divisors (10757516492).
12005252008 is a wasteful number, since it uses less digits than its factorization.
12005252008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16861404 (or 16861400 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 25.
The spelling of 12005252008 in words is "twelve billion, five million, two hundred fifty-two thousand, eight".
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