Base | Representation |
---|---|
bin | 10011110001100011… |
… | …010001010100000000 |
3 | 2000210201112220102012 |
4 | 103301203101110000 |
5 | 321441000033232 |
6 | 13430512312052 |
7 | 1351105425230 |
oct | 236143212400 |
9 | 60721486365 |
10 | 21232424192 |
11 | 9006171611 |
12 | 4146842628 |
13 | 2004b12615 |
14 | 1055c55cc0 |
15 | 84405d9b2 |
hex | 4f18d1500 |
21232424192 has 36 divisors (see below), whose sum is σ = 48436471776. Its totient is φ = 9099609600.
The previous prime is 21232424141. The next prime is 21232424207. The reversal of 21232424192 is 29142423212.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5922434 + ... + 5926017.
Almost surely, 221232424192 is an apocalyptic number.
It is an amenable number.
21232424192 is an abundant number, since it is smaller than the sum of its proper divisors (27204047584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21232424192 is an equidigital number, since it uses as much as digits as its factorization.
21232424192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11848474 (or 11848460 counting only the distinct ones).
The product of its digits is 13824, while the sum is 32.
The spelling of 21232424192 in words is "twenty-one billion, two hundred thirty-two million, four hundred twenty-four thousand, one hundred ninety-two".
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