Base | Representation |
---|---|
bin | 10111001000100111… |
… | …01100110010011110 |
3 | 1012001120222211002101 |
4 | 23210103230302132 |
5 | 200414044212110 |
6 | 5412242115314 |
7 | 616533561631 |
oct | 134423546236 |
9 | 35046884071 |
10 | 12420304030 |
11 | 52a3a35282 |
12 | 24a764bb3a |
13 | 122c264a34 |
14 | 85b789c18 |
15 | 4ca5e513a |
hex | 2e44ecc9e |
12420304030 has 16 divisors (see below), whose sum is σ = 22377058704. Its totient is φ = 4963563520.
The previous prime is 12420303979. The next prime is 12420304067. The reversal of 12420304030 is 3040302421.
It is a junction number, because it is equal to n+sod(n) for n = 12420303989 and 12420304007.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558307 + ... + 580126.
It is an arithmetic number, because the mean of its divisors is an integer number (1398566169).
Almost surely, 212420304030 is an apocalyptic number.
12420304030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12420304030 is a deficient number, since it is larger than the sum of its proper divisors (9956754674).
12420304030 is a wasteful number, since it uses less digits than its factorization.
12420304030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1139531.
The product of its (nonzero) digits is 576, while the sum is 19.
Adding to 12420304030 its reverse (3040302421), we get a palindrome (15460606451).
The spelling of 12420304030 in words is "twelve billion, four hundred twenty million, three hundred four thousand, thirty".
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