Base | Representation |
---|---|
bin | 10010101001100010… |
… | …011011000011111000 |
3 | 1220200112010220121022 |
4 | 102221202123003320 |
5 | 312002201224144 |
6 | 13110553002012 |
7 | 1306135152344 |
oct | 225142330370 |
9 | 56615126538 |
10 | 20024242424 |
11 | 854618778a |
12 | 3a6a0b3308 |
13 | 1b71715074 |
14 | d7d5d6624 |
15 | 7c2e58cee |
hex | 4a989b0f8 |
20024242424 has 32 divisors (see below), whose sum is σ = 40796428800. Its totient is φ = 9179192160.
The previous prime is 20024242423. The next prime is 20024242477. The reversal of 20024242424 is 42424242002.
20024242424 is a modest number, since divided by 242424 gives 20024 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 20024242393 and 20024242402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20024242423) 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, 2120102 + ... + 2129525.
It is an arithmetic number, because the mean of its divisors is an integer number (1274888400).
Almost surely, 220024242424 is an apocalyptic number.
It is an amenable number.
20024242424 is an abundant number, since it is smaller than the sum of its proper divisors (20772186376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20024242424 is a wasteful number, since it uses less digits than its factorization.
20024242424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4249683 (or 4249679 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 26.
Adding to 20024242424 its reverse (42424242002), we get a palindrome (62448484426).
The spelling of 20024242424 in words is "twenty billion, twenty-four million, two hundred forty-two thousand, four hundred twenty-four".
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