Base | Representation |
---|---|
bin | 1011010010000011… |
… | …1110111000111001 |
3 | 21211001202000211100 |
4 | 2310200332320321 |
5 | 22200301420311 |
6 | 1220304122013 |
7 | 135023131332 |
oct | 26440767071 |
9 | 7731660740 |
10 | 3028545081 |
11 | 1314597821 |
12 | 706306309 |
13 | 39359a213 |
14 | 20a317289 |
15 | 12ad31a56 |
hex | b483ee39 |
3028545081 has 12 divisors (see below), whose sum is σ = 4525412580. Its totient is φ = 1949408160.
The previous prime is 3028545067. The next prime is 3028545101. The reversal of 3028545081 is 1805458203.
It is a happy number.
3028545081 is a `hidden beast` number, since 30 + 2 + 8 + 545 + 0 + 81 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 768398400 + 2260146681 = 27720^2 + 47541^2 .
It is not a de Polignac number, because 3028545081 - 29 = 3028544569 is a prime.
It is a super-3 number, since 3×30285450813 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (3028545001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5801550 + ... + 5802071.
It is an arithmetic number, because the mean of its divisors is an integer number (377117715).
Almost surely, 23028545081 is an apocalyptic number.
It is an amenable number.
3028545081 is a deficient number, since it is larger than the sum of its proper divisors (1496867499).
3028545081 is a wasteful number, since it uses less digits than its factorization.
3028545081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11603656 (or 11603653 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 36.
The square root of 3028545081 is about 55032.2185723963. The cubic root of 3028545081 is about 1446.8094860368.
The spelling of 3028545081 in words is "three billion, twenty-eight million, five hundred forty-five thousand, eighty-one".
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