Base | Representation |
---|---|
bin | 10010101011010111… |
… | …111100110000111100 |
3 | 1220202200010011110200 |
4 | 102223113330300330 |
5 | 312033043120244 |
6 | 13114013203500 |
7 | 1306661060250 |
oct | 225327746074 |
9 | 56680104420 |
10 | 20055051324 |
11 | 856160a990 |
12 | 3a78490590 |
13 | 1b77c11299 |
14 | d83736260 |
15 | 7c59e2669 |
hex | 4ab5fcc3c |
20055051324 has 144 divisors (see below), whose sum is σ = 63446423040. Its totient is φ = 5189109120.
The previous prime is 20055051299. The next prime is 20055051391. The reversal of 20055051324 is 42315055002.
It is a happy number.
20055051324 is a `hidden beast` number, since 20 + 0 + 5 + 505 + 132 + 4 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 715282 + ... + 742790.
It is an arithmetic number, because the mean of its divisors is an integer number (440600160).
Almost surely, 220055051324 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 20055051324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31723211520).
20055051324 is an abundant number, since it is smaller than the sum of its proper divisors (43391371716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20055051324 is a wasteful number, since it uses less digits than its factorization.
20055051324 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27800 (or 27795 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The spelling of 20055051324 in words is "twenty billion, fifty-five million, fifty-one thousand, three hundred twenty-four".
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