Base | Representation |
---|---|
bin | 10111010111010001… |
… | …10101001010001000 |
3 | 1012101011101211200110 |
4 | 23223220311022020 |
5 | 201142040040343 |
6 | 5432354034320 |
7 | 622556103444 |
oct | 135350651210 |
9 | 35334354613 |
10 | 12543283848 |
11 | 53573a1897 |
12 | 25208789a0 |
13 | 124b893064 |
14 | 86dc3d824 |
15 | 4d62d8833 |
hex | 2eba35288 |
12543283848 has 16 divisors (see below), whose sum is σ = 31358209680. Its totient is φ = 4181094608.
The previous prime is 12543283847. The next prime is 12543283853. The reversal of 12543283848 is 84838234521.
It is a junction number, because it is equal to n+sod(n) for n = 12543283797 and 12543283806.
It is not an unprimeable number, because it can be changed into a prime (12543283847) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261318390 + ... + 261318437.
It is an arithmetic number, because the mean of its divisors is an integer number (1959888105).
Almost surely, 212543283848 is an apocalyptic number.
It is an amenable number.
12543283848 is an abundant number, since it is smaller than the sum of its proper divisors (18814925832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12543283848 is a wasteful number, since it uses less digits than its factorization.
12543283848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 522636836 (or 522636832 counting only the distinct ones).
The product of its digits is 1474560, while the sum is 48.
The spelling of 12543283848 in words is "twelve billion, five hundred forty-three million, two hundred eighty-three thousand, eight hundred forty-eight".
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