Base | Representation |
---|---|
bin | 10011000111011000… |
… | …110111101000101000 |
3 | 1221222102111210121212 |
4 | 103013120313220220 |
5 | 314013403221004 |
6 | 13232403052252 |
7 | 1324426041023 |
oct | 230730675050 |
9 | 57872453555 |
10 | 20525054504 |
11 | 8782949269 |
12 | 3b89971088 |
13 | 1c213c2986 |
14 | dc9d201ba |
15 | 801dd296e |
hex | 4c7637a28 |
20525054504 has 16 divisors (see below), whose sum is σ = 38490453600. Its totient is φ = 10260933552.
The previous prime is 20525054503. The next prime is 20525054519. The reversal of 20525054504 is 40545052502.
It is not an unprimeable number, because it can be changed into a prime (20525054503) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143564 + ... + 248315.
It is an arithmetic number, because the mean of its divisors is an integer number (2405653350).
Almost surely, 220525054504 is an apocalyptic number.
It is an amenable number.
20525054504 is a deficient number, since it is larger than the sum of its proper divisors (17965399096).
20525054504 is a wasteful number, since it uses less digits than its factorization.
20525054504 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 398432 (or 398428 counting only the distinct ones).
The product of its (nonzero) digits is 40000, while the sum is 32.
The spelling of 20525054504 in words is "twenty billion, five hundred twenty-five million, fifty-four thousand, five hundred four".
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