Base | Representation |
---|---|
bin | 10011000100111111… |
… | …101000000101000100 |
3 | 1221212121220212100100 |
4 | 103010333220011010 |
5 | 313423112222011 |
6 | 13224410044100 |
7 | 1323430426152 |
oct | 230477500504 |
9 | 57777825310 |
10 | 20484882756 |
11 | 8762200678 |
12 | 3b78419630 |
13 | 1c15c98c00 |
14 | dc48643d2 |
15 | 7ed5e9d56 |
hex | 4c4fe8144 |
20484882756 has 108 divisors (see below), whose sum is σ = 59022228720. Its totient is φ = 5971268160.
The previous prime is 20484882709. The next prime is 20484882757. The reversal of 20484882756 is 65728848402.
It is not an unprimeable number, because it can be changed into a prime (20484882757) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26991 + ... + 204201.
Almost surely, 220484882756 is an apocalyptic number.
20484882756 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20484882756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29511114360).
20484882756 is an abundant number, since it is smaller than the sum of its proper divisors (38537345964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20484882756 is a wasteful number, since it uses less digits than its factorization.
20484882756 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 177266 (or 177248 counting only the distinct ones).
The product of its (nonzero) digits is 6881280, while the sum is 54.
The spelling of 20484882756 in words is "twenty billion, four hundred eighty-four million, eight hundred eighty-two thousand, seven hundred fifty-six".
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