Base | Representation |
---|---|
bin | 1001010100111110100111… |
… | …11011010000011111001101 |
3 | 2200121221010020122020202022 |
4 | 10222133103323100133031 |
5 | 10142032111214140010 |
6 | 111343032141135525 |
7 | 4214642041224065 |
oct | 452372373203715 |
9 | 80557106566668 |
10 | 20512024365005 |
11 | 6599112008978 |
12 | 237344b55a5a5 |
13 | b5a377647494 |
14 | 50cb044023a5 |
15 | 25887144dd55 |
hex | 12a7d3ed07cd |
20512024365005 has 16 divisors (see below), whose sum is σ = 24726133522944. Its totient is φ = 16335169097280.
The previous prime is 20512024364989. The next prime is 20512024365017. The reversal of 20512024365005 is 50056342021502.
It is not a de Polignac number, because 20512024365005 - 24 = 20512024364989 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7415075 + ... + 9798335.
It is an arithmetic number, because the mean of its divisors is an integer number (1545383345184).
Almost surely, 220512024365005 is an apocalyptic number.
It is an amenable number.
20512024365005 is a deficient number, since it is larger than the sum of its proper divisors (4214109157939).
20512024365005 is a wasteful number, since it uses less digits than its factorization.
20512024365005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2391076.
The product of its (nonzero) digits is 72000, while the sum is 35.
Adding to 20512024365005 its reverse (50056342021502), we get a palindrome (70568366386507).
The spelling of 20512024365005 in words is "twenty trillion, five hundred twelve billion, twenty-four million, three hundred sixty-five thousand, five".
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