Base | Representation |
---|---|
bin | 10100111000111111… |
… | …011110010111011000 |
3 | 2010220020212212100200 |
4 | 110320333132113120 |
5 | 331414314000044 |
6 | 14145450102200 |
7 | 1422601232346 |
oct | 247077362730 |
9 | 63806785320 |
10 | 22431000024 |
11 | 9570795354 |
12 | 442011a960 |
13 | 21662287a4 |
14 | 112b0d4996 |
15 | 8b43b7369 |
hex | 538fde5d8 |
22431000024 has 48 divisors (see below), whose sum is σ = 60791445000. Its totient is φ = 7471976064.
The previous prime is 22431000017. The next prime is 22431000041. The reversal of 22431000024 is 42000013422.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 22430999970 and 22431000006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4012 + ... + 211844.
Almost surely, 222431000024 is an apocalyptic number.
22431000024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
22431000024 is an abundant number, since it is smaller than the sum of its proper divisors (38360444976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22431000024 is a wasteful number, since it uses less digits than its factorization.
22431000024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 209344 (or 209337 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
Adding to 22431000024 its reverse (42000013422), we get a palindrome (64431013446).
The spelling of 22431000024 in words is "twenty-two billion, four hundred thirty-one million, twenty-four", and thus it is an aban number.
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