Base | Representation |
---|---|
bin | 111101000111100… |
… | …1101100100010000 |
3 | 12021220221211210211 |
4 | 1322033031210100 |
5 | 13200001324310 |
6 | 535255533504 |
7 | 101551403206 |
oct | 17217154420 |
9 | 5256854724 |
10 | 2050808080 |
11 | 96269a512 |
12 | 49298a294 |
13 | 268b56509 |
14 | 156523076 |
15 | c009bc8a |
hex | 7a3cd910 |
2050808080 has 40 divisors (see below), whose sum is σ = 4932552600. Its totient is φ = 792035328.
The previous prime is 2050808059. The next prime is 2050808099. The reversal of 2050808080 is 808080502.
It can be written as a sum of positive squares in 4 ways, for example, as 333865984 + 1716942096 = 18272^2 + 41436^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439665 + ... + 444304.
It is an arithmetic number, because the mean of its divisors is an integer number (123313815).
Almost surely, 22050808080 is an apocalyptic number.
2050808080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2050808080 is an abundant number, since it is smaller than the sum of its proper divisors (2881744520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2050808080 is a wasteful number, since it uses less digits than its factorization.
2050808080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 884011 (or 884005 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 31.
The square root of 2050808080 is about 45285.8485622164. The cubic root of 2050808080 is about 1270.5009865484.
Adding to 2050808080 its reverse (808080502), we get a palindrome (2858888582).
The spelling of 2050808080 in words is "two billion, fifty million, eight hundred eight thousand, eighty".
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