Base | Representation |
---|---|
bin | 1100110001000100101… |
… | …0101011111001100100 |
3 | 202222010120121210220221 |
4 | 3030101022223321210 |
5 | 12043142311033040 |
6 | 244432011534124 |
7 | 21563143452253 |
oct | 3142112537144 |
9 | 688116553827 |
10 | 219331346020 |
11 | 85021910626 |
12 | 3661175a344 |
13 | 178b5311267 |
14 | a88966c79a |
15 | 5a8a66074a |
hex | 33112abe64 |
219331346020 has 24 divisors (see below), whose sum is σ = 460754610624. Its totient is φ = 87702293856.
The previous prime is 219331345997. The next prime is 219331346023. The reversal of 219331346020 is 20643133912.
It is not an unprimeable number, because it can be changed into a prime (219331346023) 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, 1830774 + ... + 1946893.
It is an arithmetic number, because the mean of its divisors is an integer number (19198108776).
Almost surely, 2219331346020 is an apocalyptic number.
219331346020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
219331346020 is an abundant number, since it is smaller than the sum of its proper divisors (241423264604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
219331346020 is a wasteful number, since it uses less digits than its factorization.
219331346020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3780579 (or 3780577 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 34.
Adding to 219331346020 its reverse (20643133912), we get a palindrome (239974479932).
The spelling of 219331346020 in words is "two hundred nineteen billion, three hundred thirty-one million, three hundred forty-six thousand, twenty".
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