Base | Representation |
---|---|
bin | 1001010011110101001010… |
… | …11010110110110100010000 |
3 | 2200111011022221211011021100 |
4 | 10221322211122312310100 |
5 | 10140410330342214043 |
6 | 111312551105224400 |
7 | 4212044564532321 |
oct | 451724532666420 |
9 | 80434287734240 |
10 | 20472589413648 |
11 | 6583416006289 |
12 | 2367884932100 |
13 | b56731673c38 |
14 | 50ac42cc0448 |
15 | 25781437dcd3 |
hex | 129ea56b6d10 |
20472589413648 has 60 divisors (see below), whose sum is σ = 57851076599680. Its totient is φ = 6757942131648.
The previous prime is 20472589413643. The next prime is 20472589413671. The reversal of 20472589413648 is 84631498527402.
20472589413648 is a `hidden beast` number, since 2 + 0 + 4 + 7 + 2 + 589 + 4 + 1 + 3 + 6 + 48 = 666.
It is not an unprimeable number, because it can be changed into a prime (20472589413643) 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, 690134488 + ... + 690164151.
It is a 1-persistent number, because it is pandigital, but 2⋅20472589413648 = 40945178827296 is not.
Almost surely, 220472589413648 is an apocalyptic number.
It is an amenable number.
20472589413648 is an abundant number, since it is smaller than the sum of its proper divisors (37378487186032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20472589413648 is a wasteful number, since it uses less digits than its factorization.
20472589413648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1380298756 (or 1380298747 counting only the distinct ones).
The product of its (nonzero) digits is 92897280, while the sum is 63.
The spelling of 20472589413648 in words is "twenty trillion, four hundred seventy-two billion, five hundred eighty-nine million, four hundred thirteen thousand, six hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •