Base | Representation |
---|---|
bin | 10011011010000100… |
… | …111101100111010110 |
3 | 1222210021111201121100 |
4 | 103122010331213112 |
5 | 320134140300342 |
6 | 13323443330530 |
7 | 1335254130153 |
oct | 233204754726 |
9 | 58707451540 |
10 | 20838603222 |
11 | 8923937038 |
12 | 4056980a46 |
13 | 1c71355668 |
14 | 101981d22a |
15 | 81e6bae4c |
hex | 4da13d9d6 |
20838603222 has 12 divisors (see below), whose sum is σ = 45150307020. Its totient is φ = 6946201068.
The previous prime is 20838603209. The next prime is 20838603223. The reversal of 20838603222 is 22230683802.
20838603222 is a `hidden beast` number, since 20 + 8 + 3 + 8 + 603 + 2 + 22 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20838603223) 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 5 ways as a sum of consecutive naturals, for example, 578850072 + ... + 578850107.
It is an arithmetic number, because the mean of its divisors is an integer number (3762525585).
Almost surely, 220838603222 is an apocalyptic number.
20838603222 is an abundant number, since it is smaller than the sum of its proper divisors (24311703798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20838603222 is a wasteful number, since it uses less digits than its factorization.
20838603222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1157700187 (or 1157700184 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 36.
The spelling of 20838603222 in words is "twenty billion, eight hundred thirty-eight million, six hundred three thousand, two hundred twenty-two".
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