Base | Representation |
---|---|
bin | 111100011101011… |
… | …0110011011011101 |
3 | 12020101100021220200 |
4 | 1320322312123131 |
5 | 13123321140323 |
6 | 533145534113 |
7 | 101162415321 |
oct | 17072663335 |
9 | 5211307820 |
10 | 2028693213 |
11 | 951165268 |
12 | 4874a4339 |
13 | 2643b25b1 |
14 | 153607981 |
15 | bd17e443 |
hex | 78eb66dd |
2028693213 has 12 divisors (see below), whose sum is σ = 3084563040. Its totient is φ = 1281279816.
The previous prime is 2028693209. The next prime is 2028693223. The reversal of 2028693213 is 3123968202.
It is not a de Polignac number, because 2028693213 - 22 = 2028693209 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2028693203) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5931681 + ... + 5932022.
It is an arithmetic number, because the mean of its divisors is an integer number (257046920).
Almost surely, 22028693213 is an apocalyptic number.
It is an amenable number.
2028693213 is a deficient number, since it is larger than the sum of its proper divisors (1055869827).
2028693213 is a wasteful number, since it uses less digits than its factorization.
2028693213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11863728 (or 11863725 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The square root of 2028693213 is about 45041.0170067240. The cubic root of 2028693213 is about 1265.9176608399.
The spelling of 2028693213 in words is "two billion, twenty-eight million, six hundred ninety-three thousand, two hundred thirteen".
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