Base | Representation |
---|---|
bin | 111001010001101110… |
… | …0011101001011001000 |
3 | 102202111011111220010000 |
4 | 1302203130131023020 |
5 | 4003401303330044 |
6 | 132301143123000 |
7 | 11613041130111 |
oct | 1624334351310 |
9 | 382434456100 |
10 | 123001230024 |
11 | 48189a95712 |
12 | 1ba08a43460 |
13 | b7a2c0c71a |
14 | 5d4bb8d208 |
15 | 32ed6ddd69 |
hex | 1ca371d2c8 |
123001230024 has 80 divisors (see below), whose sum is σ = 364783092300. Its totient is φ = 38588617728.
The previous prime is 123001230013. The next prime is 123001230091. The reversal of 123001230024 is 420032100321.
It can be written as a sum of positive squares in 2 ways, for example, as 117568065924 + 5433164100 = 342882^2 + 73710^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 123001229979 and 123001230006.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5571829 + ... + 5593860.
Almost surely, 2123001230024 is an apocalyptic number.
It is an amenable number.
123001230024 is an abundant number, since it is smaller than the sum of its proper divisors (241781862276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123001230024 is a wasteful number, since it uses less digits than its factorization.
123001230024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11165724 (or 11165711 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 123001230024 its reverse (420032100321), we get a palindrome (543033330345).
The spelling of 123001230024 in words is "one hundred twenty-three billion, one million, two hundred thirty thousand, twenty-four".
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