Base | Representation |
---|---|
bin | 10111001001001101… |
… | …10101101100010000 |
3 | 1012001221102201101200 |
4 | 23210212311230100 |
5 | 200421340234412 |
6 | 5412541431200 |
7 | 616624326222 |
oct | 134446655420 |
9 | 35057381350 |
10 | 12425321232 |
11 | 52a6851825 |
12 | 24a926b500 |
13 | 12303005ac |
14 | 85c2d4412 |
15 | 4cac869dc |
hex | 2e49b5b10 |
12425321232 has 60 divisors (see below), whose sum is σ = 34785343164. Its totient is φ = 4140380160.
The previous prime is 12425321231. The next prime is 12425321243. The reversal of 12425321232 is 23212352421.
12425321232 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 532 + 123 + 2 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 9948865536 + 2476455696 = 99744^2 + 49764^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12425321196 and 12425321205.
It is not an unprimeable number, because it can be changed into a prime (12425321231) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471148 + ... + 496820.
Almost surely, 212425321232 is an apocalyptic number.
12425321232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12425321232 is an abundant number, since it is smaller than the sum of its proper divisors (22360021932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12425321232 is a wasteful number, since it uses less digits than its factorization.
12425321232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29048 (or 29039 counting only the distinct ones).
The product of its digits is 5760, while the sum is 27.
Adding to 12425321232 its reverse (23212352421), we get a palindrome (35637673653).
The spelling of 12425321232 in words is "twelve billion, four hundred twenty-five million, three hundred twenty-one thousand, two hundred thirty-two".
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