Base | Representation |
---|---|
bin | 1001000111100010110100… |
… | …11110111101110000000100 |
3 | 2121222210122121202110102212 |
4 | 10203301122132331300010 |
5 | 10112001232400420140 |
6 | 110351012133322552 |
7 | 4136411142624515 |
oct | 443613236756004 |
9 | 77883577673385 |
10 | 20050425404420 |
11 | 6430379477794 |
12 | 22b9aa6a96458 |
13 | b2599321b348 |
14 | 4d4635286a0c |
15 | 24b856c5b765 |
hex | 123c5a7bdc04 |
20050425404420 has 24 divisors (see below), whose sum is σ = 42408813451200. Its totient is φ = 7962471094752.
The previous prime is 20050425404411. The next prime is 20050425404431. The reversal of 20050425404420 is 2440452405002.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3606188840 + ... + 3606194399.
It is an arithmetic number, because the mean of its divisors is an integer number (1767033893800).
Almost surely, 220050425404420 is an apocalyptic number.
20050425404420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20050425404420 is an abundant number, since it is smaller than the sum of its proper divisors (22358388046780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20050425404420 is a wasteful number, since it uses less digits than its factorization.
20050425404420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7212383387 (or 7212383385 counting only the distinct ones).
The product of its (nonzero) digits is 51200, while the sum is 32.
Adding to 20050425404420 its reverse (2440452405002), we get a palindrome (22490877809422).
The spelling of 20050425404420 in words is "twenty trillion, fifty billion, four hundred twenty-five million, four hundred four thousand, four hundred twenty".
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