Base | Representation |
---|---|
bin | 1001010100011100101010… |
… | …01111000001000100100010 |
3 | 2200120012001122120021002200 |
4 | 10222032111033001010202 |
5 | 10141232241413222241 |
6 | 111330415101354030 |
7 | 4213425200556522 |
oct | 452162517010442 |
9 | 80505048507080 |
10 | 20493792710946 |
11 | 6591406793385 |
12 | 236ba01868916 |
13 | b58730428ab9 |
14 | 50bc94d13682 |
15 | 258155a874b6 |
hex | 12a3953c1122 |
20493792710946 has 96 divisors (see below), whose sum is σ = 47471132283120. Its totient is φ = 6377886412800.
The previous prime is 20493792710927. The next prime is 20493792710971. The reversal of 20493792710946 is 64901729739402.
20493792710946 is a `hidden beast` number, since 2 + 0 + 493 + 7 + 92 + 7 + 10 + 9 + 46 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 6130155087225 + 14363637623721 = 2475915^2 + 3789939^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1818585 + ... + 6655436.
Almost surely, 220493792710946 is an apocalyptic number.
20493792710946 is an abundant number, since it is smaller than the sum of its proper divisors (26977339572174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20493792710946 is a wasteful number, since it uses less digits than its factorization.
20493792710946 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8474212 (or 8474209 counting only the distinct ones).
The product of its (nonzero) digits is 41150592, while the sum is 63.
The spelling of 20493792710946 in words is "twenty trillion, four hundred ninety-three billion, seven hundred ninety-two million, seven hundred ten thousand, nine hundred forty-six".
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