Base | Representation |
---|---|
bin | 1010011101100011… |
… | …0110001000110011 |
3 | 21020201022211201121 |
4 | 2213120312020303 |
5 | 21222411331100 |
6 | 1142355443111 |
7 | 126410140453 |
oct | 24730661063 |
9 | 7221284647 |
10 | 2808308275 |
11 | 1211242633 |
12 | 6645b6497 |
13 | 359a78a96 |
14 | 1c8d87d63 |
15 | 11682b51a |
hex | a7636233 |
2808308275 has 12 divisors (see below), whose sum is σ = 3489870384. Its totient is φ = 2241764000.
The previous prime is 2808308273. The next prime is 2808308299. The reversal of 2808308275 is 5728038082.
2808308275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2808308275 - 21 = 2808308273 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2808308273) 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, 110311 + ... + 133360.
It is an arithmetic number, because the mean of its divisors is an integer number (290822532).
Almost surely, 22808308275 is an apocalyptic number.
2808308275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2808308275 is a deficient number, since it is larger than the sum of its proper divisors (681562109).
2808308275 is a wasteful number, since it uses less digits than its factorization.
2808308275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244142 (or 244137 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 43.
The square root of 2808308275 is about 52993.4738906594. The cubic root of 2808308275 is about 1410.8524387846.
The spelling of 2808308275 in words is "two billion, eight hundred eight million, three hundred eight thousand, two hundred seventy-five".
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