Base | Representation |
---|---|
bin | 10101111011010010… |
… | …010000011001100000 |
3 | 2020202202201111002000 |
4 | 111323102100121200 |
5 | 341204031013213 |
6 | 14452100524000 |
7 | 1462265031543 |
oct | 257322203140 |
9 | 66682644060 |
10 | 23543219808 |
11 | 9a91596559 |
12 | 46906b0600 |
13 | 22b27974c4 |
14 | 11d4ad485a |
15 | 92bd63c73 |
hex | 57b490660 |
23543219808 has 192 divisors, whose sum is σ = 72423187200. Its totient is φ = 7420170240.
The previous prime is 23543219801. The next prime is 23543219809. The reversal of 23543219808 is 80891234532.
23543219808 is a `hidden beast` number, since 2 + 3 + 543 + 21 + 9 + 80 + 8 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23543219801) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11046903 + ... + 11049033.
It is an arithmetic number, because the mean of its divisors is an integer number (377204100).
Almost surely, 223543219808 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23543219808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36211593600).
23543219808 is an abundant number, since it is smaller than the sum of its proper divisors (48879967392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23543219808 is a wasteful number, since it uses less digits than its factorization.
23543219808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2842 (or 2828 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 45.
The spelling of 23543219808 in words is "twenty-three billion, five hundred forty-three million, two hundred nineteen thousand, eight hundred eight".
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