Base | Representation |
---|---|
bin | 111110000000111… |
… | …0001101000100001 |
3 | 12101000110122011111 |
4 | 1330001301220201 |
5 | 13230143341400 |
6 | 542251343321 |
7 | 102364564402 |
oct | 17401615041 |
9 | 5330418144 |
10 | 2080840225 |
11 | 978642072 |
12 | 4a0a51b41 |
13 | 272140009 |
14 | 15a4dd9a9 |
15 | c2a303ba |
hex | 7c071a21 |
2080840225 has 12 divisors (see below), whose sum is σ = 2649979324. Its totient is φ = 1619680320.
The previous prime is 2080840189. The next prime is 2080840231. The reversal of 2080840225 is 5220480802.
It can be written as a sum of positive squares in 6 ways, for example, as 659344 + 2080180881 = 812^2 + 45609^2 .
It is not a de Polignac number, because 2080840225 - 29 = 2080839713 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1123854 + ... + 1125703.
Almost surely, 22080840225 is an apocalyptic number.
2080840225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2080840225 is a deficient number, since it is larger than the sum of its proper divisors (569139099).
2080840225 is a wasteful number, since it uses less digits than its factorization.
2080840225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2249604 (or 2249599 counting only the distinct ones).
The product of its (nonzero) digits is 10240, while the sum is 31.
The square root of 2080840225 is about 45616.2276498178. The cubic root of 2080840225 is about 1276.6727193148.
The spelling of 2080840225 in words is "two billion, eighty million, eight hundred forty thousand, two hundred twenty-five".
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