Base | Representation |
---|---|
bin | 111101100001110… |
… | …0111010011111100 |
3 | 12022212210202100101 |
4 | 1323003213103330 |
5 | 13212010420040 |
6 | 540510210444 |
7 | 102106225456 |
oct | 17303472374 |
9 | 5285722311 |
10 | 2064545020 |
11 | 96a42225a |
12 | 4974b3a24 |
13 | 26b955c95 |
14 | 15829b2d6 |
15 | c13b209a |
hex | 7b0e74fc |
2064545020 has 48 divisors (see below), whose sum is σ = 4410362880. Its totient is φ = 811689984.
The previous prime is 2064545017. The next prime is 2064545023. The reversal of 2064545020 is 205454602.
It is an interprime number because it is at equal distance from previous prime (2064545017) and next prime (2064545023).
It is a super-3 number, since 3×20645450203 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 2064545020.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2064545023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273132 + ... + 280588.
It is an arithmetic number, because the mean of its divisors is an integer number (91882560).
Almost surely, 22064545020 is an apocalyptic number.
2064545020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2064545020 is an abundant number, since it is smaller than the sum of its proper divisors (2345817860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2064545020 is a wasteful number, since it uses less digits than its factorization.
2064545020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7702 (or 7700 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 28.
The square root of 2064545020 is about 45437.2646623892. The cubic root of 2064545020 is about 1273.3314110208.
Adding to 2064545020 its reverse (205454602), we get a palindrome (2269999622).
The spelling of 2064545020 in words is "two billion, sixty-four million, five hundred forty-five thousand, twenty".
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