Base | Representation |
---|---|
bin | 1010100000010101… |
… | …1100110010010110 |
3 | 21021112022220000110 |
4 | 2220011130302112 |
5 | 21233410012133 |
6 | 1143454223450 |
7 | 126611420010 |
oct | 25005346226 |
9 | 7245286013 |
10 | 2820000918 |
11 | 12178a9479 |
12 | 6684b4b86 |
13 | 35c310bc7 |
14 | 1ca74d1b0 |
15 | 11788ac63 |
hex | a815cc96 |
2820000918 has 16 divisors (see below), whose sum is σ = 6445716480. Its totient is φ = 805714536.
The previous prime is 2820000907. The next prime is 2820000949. The reversal of 2820000918 is 8190000282.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33571398 + ... + 33571481.
It is an arithmetic number, because the mean of its divisors is an integer number (402857280).
Almost surely, 22820000918 is an apocalyptic number.
2820000918 is an abundant number, since it is smaller than the sum of its proper divisors (3625715562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2820000918 is a wasteful number, since it uses less digits than its factorization.
2820000918 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67142891.
The product of its (nonzero) digits is 2304, while the sum is 30.
The square root of 2820000918 is about 53103.6808328764. The cubic root of 2820000918 is about 1412.8077976788.
The spelling of 2820000918 in words is "two billion, eight hundred twenty million, nine hundred eighteen", and thus it is an aban number.
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