Base | Representation |
---|---|
bin | 10011001001110010… |
… | …011001001101010000 |
3 | 1222002020020111010120 |
4 | 103021302121031100 |
5 | 314104204100143 |
6 | 13240401430240 |
7 | 1325425110666 |
oct | 231162311520 |
9 | 58066214116 |
10 | 20565300048 |
11 | 87a3637347 |
12 | 3b9b33b380 |
13 | 1c298441c7 |
14 | dd13d8c36 |
15 | 8056d2383 |
hex | 4c9c99350 |
20565300048 has 40 divisors (see below), whose sum is σ = 53405200896. Its totient is φ = 6819206400.
The previous prime is 20565300029. The next prime is 20565300053. The reversal of 20565300048 is 84000356502.
It is a junction number, because it is equal to n+sod(n) for n = 20565299991 and 20565300018.
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, 1112413 + ... + 1130748.
Almost surely, 220565300048 is an apocalyptic number.
It is an amenable number.
20565300048 is an abundant number, since it is smaller than the sum of its proper divisors (32839900848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20565300048 is a wasteful number, since it uses less digits than its factorization.
20565300048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2243363 (or 2243357 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 33.
The spelling of 20565300048 in words is "twenty billion, five hundred sixty-five million, three hundred thousand, forty-eight".
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