Base | Representation |
---|---|
bin | 111011110111101… |
… | …1000100000001111 |
3 | 12012000010012020010 |
4 | 1313233120200033 |
5 | 13103240103324 |
6 | 531201524303 |
7 | 100532310666 |
oct | 16757304017 |
9 | 5160105203 |
10 | 2008909839 |
11 | 940a82772 |
12 | 480943693 |
13 | 260276961 |
14 | 150b37ddd |
15 | bb572829 |
hex | 77bd880f |
2008909839 has 16 divisors (see below), whose sum is σ = 2870284032. Its totient is φ = 1245303168.
The previous prime is 2008909831. The next prime is 2008909883. The reversal of 2008909839 is 9389098002.
It is not a de Polignac number, because 2008909839 - 23 = 2008909831 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2008909831) 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, 233059 + ... + 241524.
It is an arithmetic number, because the mean of its divisors is an integer number (179392752).
Almost surely, 22008909839 is an apocalyptic number.
2008909839 is a deficient number, since it is larger than the sum of its proper divisors (861374193).
2008909839 is a wasteful number, since it uses less digits than its factorization.
2008909839 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 474686.
The product of its (nonzero) digits is 279936, while the sum is 48.
The square root of 2008909839 is about 44820.8638805635. The cubic root of 2008909839 is about 1261.7892273929.
The spelling of 2008909839 in words is "two billion, eight million, nine hundred nine thousand, eight hundred thirty-nine".
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