Base | Representation |
---|---|
bin | 10111001000101000… |
… | …01110010010001110 |
3 | 1012001121020210021212 |
4 | 23210110032102032 |
5 | 200414113104410 |
6 | 5412245054422 |
7 | 616535002631 |
oct | 134424162216 |
9 | 35047223255 |
10 | 12420441230 |
11 | 52a401936a |
12 | 24a76b7412 |
13 | 122c2b2312 |
14 | 85b7c3c18 |
15 | 4ca620b05 |
hex | 2e450e48e |
12420441230 has 64 divisors (see below), whose sum is σ = 23951324160. Its totient is φ = 4620962304.
The previous prime is 12420441223. The next prime is 12420441239. The reversal of 12420441230 is 3214402421.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12420441196 and 12420441205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12420441239) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13514711 + ... + 13515629.
It is an arithmetic number, because the mean of its divisors is an integer number (374239440).
Almost surely, 212420441230 is an apocalyptic number.
12420441230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12420441230 is a deficient number, since it is larger than the sum of its proper divisors (11530882930).
12420441230 is a wasteful number, since it uses less digits than its factorization.
12420441230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1793.
The product of its (nonzero) digits is 1536, while the sum is 23.
Adding to 12420441230 its reverse (3214402421), we get a palindrome (15634843651).
The spelling of 12420441230 in words is "twelve billion, four hundred twenty million, four hundred forty-one thousand, two hundred thirty".
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