Base | Representation |
---|---|
bin | 10111010000000110… |
… | …10101100101001010 |
3 | 1012012222012101020112 |
4 | 23220003111211022 |
5 | 201031134423110 |
6 | 5422404354322 |
7 | 621225541103 |
oct | 135003254512 |
9 | 35188171215 |
10 | 12483123530 |
11 | 5326441519 |
12 | 25046a59a2 |
13 | 123c28b137 |
14 | 865c5d3aa |
15 | 4d0da3405 |
hex | 2e80d594a |
12483123530 has 32 divisors (see below), whose sum is σ = 22678373520. Its totient is φ = 4947005440.
The previous prime is 12483123517. The next prime is 12483123539. The reversal of 12483123530 is 3532138421.
It can be written as a sum of positive squares in 8 ways, for example, as 898260841 + 11584862689 = 29971^2 + 107633^2 .
It is not an unprimeable number, because it can be changed into a prime (12483123539) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705026 + ... + 722514.
Almost surely, 212483123530 is an apocalyptic number.
12483123530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12483123530 is a deficient number, since it is larger than the sum of its proper divisors (10195249990).
12483123530 is a wasteful number, since it uses less digits than its factorization.
12483123530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18154.
The product of its (nonzero) digits is 17280, while the sum is 32.
The spelling of 12483123530 in words is "twelve billion, four hundred eighty-three million, one hundred twenty-three thousand, five hundred thirty".
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