Base | Representation |
---|---|
bin | 10111001010001011… |
… | …10010111100111000 |
3 | 1012002111201000102010 |
4 | 23211011302330320 |
5 | 200430424431342 |
6 | 5413431405520 |
7 | 620053315632 |
oct | 134505627470 |
9 | 35074630363 |
10 | 12433436472 |
11 | 5300394936 |
12 | 24abb238a0 |
13 | 1231bb2302 |
14 | 85d407a52 |
15 | 4cb83b29c |
hex | 2e5172f38 |
12433436472 has 32 divisors (see below), whose sum is σ = 32912038800. Its totient is φ = 3900685824.
The previous prime is 12433436471. The next prime is 12433436501. The reversal of 12433436472 is 27463433421.
It is a self number, because there is not a number n which added to its sum of digits gives 12433436472.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12433436471) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15236647 + ... + 15237462.
Almost surely, 212433436472 is an apocalyptic number.
12433436472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12433436472 is an abundant number, since it is smaller than the sum of its proper divisors (20478602328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12433436472 is a wasteful number, since it uses less digits than its factorization.
12433436472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30474135 (or 30474131 counting only the distinct ones).
The product of its digits is 290304, while the sum is 39.
Adding to 12433436472 its reverse (27463433421), we get a palindrome (39896869893).
The spelling of 12433436472 in words is "twelve billion, four hundred thirty-three million, four hundred thirty-six thousand, four hundred seventy-two".
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