Base | Representation |
---|---|
bin | 1111100110110110… |
… | …11000011010001001 |
3 | 210121221120202000200 |
4 | 13303123120122021 |
5 | 114130011234044 |
6 | 3503235122413 |
7 | 414432253434 |
oct | 76333303211 |
9 | 23557522020 |
10 | 8379008649 |
11 | 360a806240 |
12 | 175a143409 |
13 | a36c14cab |
14 | 596b6681b |
15 | 340914369 |
hex | 1f36d8689 |
8379008649 has 12 divisors (see below), whose sum is σ = 13203286512. Its totient is φ = 5078187000.
The previous prime is 8379008623. The next prime is 8379008689. The reversal of 8379008649 is 9468009738.
It is not a de Polignac number, because 8379008649 - 215 = 8378975881 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 8379008595 and 8379008604.
It is not an unprimeable number, because it can be changed into a prime (8379008609) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42318127 + ... + 42318324.
It is an arithmetic number, because the mean of its divisors is an integer number (1100273876).
Almost surely, 28379008649 is an apocalyptic number.
It is an amenable number.
8379008649 is a deficient number, since it is larger than the sum of its proper divisors (4824277863).
8379008649 is a wasteful number, since it uses less digits than its factorization.
8379008649 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84636468 (or 84636465 counting only the distinct ones).
The product of its (nonzero) digits is 2612736, while the sum is 54.
The square root of 8379008649 is about 91536.9250575963. The cubic root of 8379008649 is about 2031.0980049247.
The spelling of 8379008649 in words is "eight billion, three hundred seventy-nine million, eight thousand, six hundred forty-nine".
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