Base | Representation |
---|---|
bin | 1010100000000100… |
… | …0101010001011100 |
3 | 21021110011201112010 |
4 | 2220001011101130 |
5 | 21233111343103 |
6 | 1143413511220 |
7 | 126565611102 |
oct | 25001052134 |
9 | 7243151463 |
10 | 2818856028 |
11 | 121719728a |
12 | 668042510 |
13 | 35bccca61 |
14 | 1ca531c72 |
15 | 117711903 |
hex | a804545c |
2818856028 has 48 divisors (see below), whose sum is σ = 6809312160. Its totient is φ = 906528000.
The previous prime is 2818855997. The next prime is 2818856101. The reversal of 2818856028 is 8206588182.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 659418 + ... + 663678.
It is an arithmetic number, because the mean of its divisors is an integer number (141860670).
Almost surely, 22818856028 is an apocalyptic number.
It is an amenable number.
2818856028 is an abundant number, since it is smaller than the sum of its proper divisors (3990456132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2818856028 is a wasteful number, since it uses less digits than its factorization.
2818856028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6198 (or 6196 counting only the distinct ones).
The product of its (nonzero) digits is 491520, while the sum is 48.
The square root of 2818856028 is about 53092.8999773039. The cubic root of 2818856028 is about 1412.6165768821.
The spelling of 2818856028 in words is "two billion, eight hundred eighteen million, eight hundred fifty-six thousand, twenty-eight".
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