Base | Representation |
---|---|
bin | 10111001011010110… |
… | …01010100011000010 |
3 | 1012010012010200222010 |
4 | 23211223022203002 |
5 | 200440431414300 |
6 | 5414421353350 |
7 | 620232505425 |
oct | 134553124302 |
9 | 35105120863 |
10 | 12443232450 |
11 | 5305975790 |
12 | 24b3268856 |
13 | 1233c3204c |
14 | 8608379bc |
15 | 4cc623a50 |
hex | 2e5aca8c2 |
12443232450 has 96 divisors (see below), whose sum is σ = 35644950720. Its totient is φ = 2839091200.
The previous prime is 12443232419. The next prime is 12443232481. The reversal of 12443232450 is 5423234421.
It is an interprime number because it is at equal distance from previous prime (12443232419) and next prime (12443232481).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 193755 + ... + 249854.
It is an arithmetic number, because the mean of its divisors is an integer number (371301570).
Almost surely, 212443232450 is an apocalyptic number.
12443232450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12443232450 is an abundant number, since it is smaller than the sum of its proper divisors (23201718270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12443232450 is a wasteful number, since it uses less digits than its factorization.
12443232450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 443652 (or 443647 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 30.
Adding to 12443232450 its reverse (5423234421), we get a palindrome (17866466871).
The spelling of 12443232450 in words is "twelve billion, four hundred forty-three million, two hundred thirty-two thousand, four hundred fifty".
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