Base | Representation |
---|---|
bin | 10111001000101100… |
… | …11110000010001000 |
3 | 1012001122100200222001 |
4 | 23210112132002020 |
5 | 200414240430044 |
6 | 5412305440344 |
7 | 616543004344 |
oct | 134426360210 |
9 | 35048320861 |
10 | 12421030024 |
11 | 52a4390777 |
12 | 24a79400b4 |
13 | 122c45a310 |
14 | 85b8d8624 |
15 | 4ca6da2d4 |
hex | 2e459e088 |
12421030024 has 16 divisors (see below), whose sum is σ = 25080926220. Its totient is φ = 5732783040.
The previous prime is 12421030007. The next prime is 12421030031. The reversal of 12421030024 is 42003012421.
It can be written as a sum of positive squares in 2 ways, for example, as 12236341924 + 184688100 = 110618^2 + 13590^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12421029983 and 12421030010.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59716387 + ... + 59716594.
Almost surely, 212421030024 is an apocalyptic number.
It is an amenable number.
12421030024 is an abundant number, since it is smaller than the sum of its proper divisors (12659896196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12421030024 is a wasteful number, since it uses less digits than its factorization.
12421030024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 119433000 (or 119432996 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 19.
Adding to 12421030024 its reverse (42003012421), we get a palindrome (54424042445).
The spelling of 12421030024 in words is "twelve billion, four hundred twenty-one million, thirty thousand, twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •