Base | Representation |
---|---|
bin | 10011010101101001… |
… | …010101000000000000 |
3 | 1222121002121012022110 |
4 | 103111221111000000 |
5 | 320011122000422 |
6 | 13312225535320 |
7 | 1333362133224 |
oct | 232551250000 |
9 | 58532535273 |
10 | 20764250112 |
11 | 8895972491 |
12 | 4035aa4540 |
13 | 1c5bb21638 |
14 | 100d9c6784 |
15 | 817dd060c |
hex | 4d5a55000 |
20764250112 has 104 divisors (see below), whose sum is σ = 56410958304. Its totient is φ = 6790610944.
The previous prime is 20764250099. The next prime is 20764250119. The reversal of 20764250112 is 21105246702.
It is a self number, because there is not a number n which added to its sum of digits gives 20764250112.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20764250119) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635323 + ... + 667205.
Almost surely, 220764250112 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20764250112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28205479152).
20764250112 is an abundant number, since it is smaller than the sum of its proper divisors (35646708192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20764250112 is an equidigital number, since it uses as much as digits as its factorization.
20764250112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31963 (or 31941 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 30.
Adding to 20764250112 its reverse (21105246702), we get a palindrome (41869496814).
The spelling of 20764250112 in words is "twenty billion, seven hundred sixty-four million, two hundred fifty thousand, one hundred twelve".
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