Base | Representation |
---|---|
bin | 10010101010101110… |
… | …000000001111100101 |
3 | 1220201220102112001212 |
4 | 102222232000033211 |
5 | 312022234234100 |
6 | 13112541401205 |
7 | 1306465442444 |
oct | 225256001745 |
9 | 56656375055 |
10 | 20044055525 |
11 | 855638a64a |
12 | 3a74869205 |
13 | 1b758613b0 |
14 | d820b2d5b |
15 | 7c4a6e635 |
hex | 4aab803e5 |
20044055525 has 48 divisors (see below), whose sum is σ = 27997958016. Its totient is φ = 14123915520.
The previous prime is 20044055431. The next prime is 20044055527. The reversal of 20044055525 is 52555044002.
It is not a de Polignac number, because 20044055525 - 222 = 20039861221 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20044055491 and 20044055500.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20044055527) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3308399 + ... + 3314451.
It is an arithmetic number, because the mean of its divisors is an integer number (583290792).
Almost surely, 220044055525 is an apocalyptic number.
20044055525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20044055525 is a deficient number, since it is larger than the sum of its proper divisors (7953902491).
20044055525 is a wasteful number, since it uses less digits than its factorization.
20044055525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6542 (or 6537 counting only the distinct ones).
The product of its (nonzero) digits is 40000, while the sum is 32.
Adding to 20044055525 its reverse (52555044002), we get a palindrome (72599099527).
The spelling of 20044055525 in words is "twenty billion, forty-four million, fifty-five thousand, five hundred twenty-five".
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