Base | Representation |
---|---|
bin | 10011000111010001… |
… | …111010110011110110 |
3 | 1221222022002020022022 |
4 | 103013101322303312 |
5 | 314012421420002 |
6 | 13232300033142 |
7 | 1324404412043 |
oct | 230721726366 |
9 | 57868066268 |
10 | 20523232502 |
11 | 8781914383 |
12 | 3b892327b2 |
13 | 1c20c05576 |
14 | dc99a81ca |
15 | 801b72ba2 |
hex | 4c747acf6 |
20523232502 has 16 divisors (see below), whose sum is σ = 31169350800. Its totient is φ = 10133735040.
The previous prime is 20523232417. The next prime is 20523232547.
20523232502 is nontrivially palindromic in base 10.
It is a super-3 number, since 3×205232325023 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
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, 73274 + ... + 215442.
It is an arithmetic number, because the mean of its divisors is an integer number (1948084425).
Almost surely, 220523232502 is an apocalyptic number.
20523232502 is a deficient number, since it is larger than the sum of its proper divisors (10646118298).
20523232502 is a wasteful number, since it uses less digits than its factorization.
20523232502 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143071.
The product of its (nonzero) digits is 7200, while the sum is 26.
The spelling of 20523232502 in words is "twenty billion, five hundred twenty-three million, two hundred thirty-two thousand, five hundred two".
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