Base | Representation |
---|---|
bin | 10111001001111010… |
… | …11010101101000100 |
3 | 1012002100120102102110 |
4 | 23210331122231010 |
5 | 200424344140004 |
6 | 5413312341020 |
7 | 620025540141 |
oct | 134475325504 |
9 | 35070512373 |
10 | 12431240004 |
11 | 52aa124677 |
12 | 24ab244770 |
13 | 12315c3621 |
14 | 85cdd53c8 |
15 | 4cb555589 |
hex | 2e4f5ab44 |
12431240004 has 48 divisors (see below), whose sum is σ = 30882249216. Its totient is φ = 3878438400.
The previous prime is 12431239999. The next prime is 12431240011. The reversal of 12431240004 is 40004213421.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131412 + ... + 205259.
It is an arithmetic number, because the mean of its divisors is an integer number (643380192).
Almost surely, 212431240004 is an apocalyptic number.
It is an amenable number.
12431240004 is an abundant number, since it is smaller than the sum of its proper divisors (18451009212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12431240004 is a wasteful number, since it uses less digits than its factorization.
12431240004 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 336876 (or 336874 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 12431240004 its reverse (40004213421), we get a palindrome (52435453425).
The spelling of 12431240004 in words is "twelve billion, four hundred thirty-one million, two hundred forty thousand, four".
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