Base | Representation |
---|---|
bin | 111110101001010… |
… | …0101101001101001 |
3 | 12102111022220221201 |
4 | 1331102211221221 |
5 | 13301104243214 |
6 | 544325404201 |
7 | 103042626133 |
oct | 17522455151 |
9 | 5374286851 |
10 | 2102024809 |
11 | 9895a1395 |
12 | 4a7b69661 |
13 | 276649681 |
14 | 15d256053 |
15 | c4817274 |
hex | 7d4a5a69 |
2102024809 has 8 divisors (see below), whose sum is σ = 2194016832. Its totient is φ = 2010082800.
The previous prime is 2102024791. The next prime is 2102024819. The reversal of 2102024809 is 9084202012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2102024809 - 211 = 2102022761 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2102024819) 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 7 ways as a sum of consecutive naturals, for example, 92107 + ... + 112639.
It is an arithmetic number, because the mean of its divisors is an integer number (274252104).
Almost surely, 22102024809 is an apocalyptic number.
It is an amenable number.
2102024809 is a deficient number, since it is larger than the sum of its proper divisors (91992023).
2102024809 is a wasteful number, since it uses less digits than its factorization.
2102024809 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25007.
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 2102024809 is about 45847.8441041670. The cubic root of 2102024809 is about 1280.9906086862.
The spelling of 2102024809 in words is "two billion, one hundred two million, twenty-four thousand, eight hundred nine".
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