Base | Representation |
---|---|
bin | 10101100101111001… |
… | …111001100110100000 |
3 | 2012211202202022102222 |
4 | 111211321321212200 |
5 | 334440213412230 |
6 | 14352324330212 |
7 | 1450351053434 |
oct | 254571714640 |
9 | 65752668388 |
10 | 23184513440 |
11 | 9918065110 |
12 | 45b0543968 |
13 | 225638350a |
14 | 119d1dc9c4 |
15 | 90a60a6e5 |
hex | 565e799a0 |
23184513440 has 96 divisors (see below), whose sum is σ = 61024368384. Its totient is φ = 8251325440.
The previous prime is 23184513403. The next prime is 23184513511. The reversal of 23184513440 is 4431548132.
It is a self number, because there is not a number n which added to its sum of digits gives 23184513440.
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, 57419 + ... + 222858.
It is an arithmetic number, because the mean of its divisors is an integer number (635670504).
Almost surely, 223184513440 is an apocalyptic number.
23184513440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23184513440 is an abundant number, since it is smaller than the sum of its proper divisors (37839854944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23184513440 is a wasteful number, since it uses less digits than its factorization.
23184513440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 280350 (or 280342 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 35.
The spelling of 23184513440 in words is "twenty-three billion, one hundred eighty-four million, five hundred thirteen thousand, four hundred forty".
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