Base | Representation |
---|---|
bin | 10011011010111000… |
… | …010100111011010010 |
3 | 1222211012211210212200 |
4 | 103122320110323102 |
5 | 320201112134200 |
6 | 13325044104030 |
7 | 1335506440212 |
oct | 233270247322 |
9 | 58735753780 |
10 | 20852068050 |
11 | 89304a33a0 |
12 | 405b395016 |
13 | 1c7408b308 |
14 | 101b526242 |
15 | 82097a800 |
hex | 4dae14ed2 |
20852068050 has 144 divisors (see below), whose sum is σ = 61175593440. Its totient is φ = 5050080000.
The previous prime is 20852068001. The next prime is 20852068057. The reversal of 20852068050 is 5086025802.
20852068050 is a `hidden beast` number, since 2 + 0 + 8 + 520 + 6 + 80 + 50 = 666.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 20852067996 and 20852068014.
It is not an unprimeable number, because it can be changed into a prime (20852068057) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8913781 + ... + 8916119.
It is an arithmetic number, because the mean of its divisors is an integer number (424830510).
Almost surely, 220852068050 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20852068050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30587796720).
20852068050 is an abundant number, since it is smaller than the sum of its proper divisors (40323525390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20852068050 is a wasteful number, since it uses less digits than its factorization.
20852068050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4169 (or 4161 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 36.
The spelling of 20852068050 in words is "twenty billion, eight hundred fifty-two million, sixty-eight thousand, fifty".
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