Base | Representation |
---|---|
bin | 110101101110111… |
… | …1110101001110000 |
3 | 11122122200221201022 |
4 | 1223131332221300 |
5 | 12143033132122 |
6 | 454524555012 |
7 | 62452265510 |
oct | 15335765160 |
9 | 4578627638 |
10 | 1803020912 |
11 | 845838330 |
12 | 4239b2a68 |
13 | 22970a0a4 |
14 | 131661840 |
15 | a8453642 |
hex | 6b77ea70 |
1803020912 has 40 divisors (see below), whose sum is σ = 4355352192. Its totient is φ = 702475200.
The previous prime is 1803020897. The next prime is 1803020963. The reversal of 1803020912 is 2190203081.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 730514 + ... + 732977.
Almost surely, 21803020912 is an apocalyptic number.
It is an amenable number.
1803020912 is an abundant number, since it is smaller than the sum of its proper divisors (2552331280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1803020912 is a wasteful number, since it uses less digits than its factorization.
1803020912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1463517 (or 1463511 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 26.
The square root of 1803020912 is about 42461.9937355749. The cubic root of 1803020912 is about 1217.1205297720.
Adding to 1803020912 its reverse (2190203081), we get a palindrome (3993223993).
The spelling of 1803020912 in words is "one billion, eight hundred three million, twenty thousand, nine hundred twelve".
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