Base | Representation |
---|---|
bin | 10111001000100101… |
… | …00010101010011101 |
3 | 1012001120102101121022 |
4 | 23210102202222131 |
5 | 200414010003123 |
6 | 5412231413525 |
7 | 616531155512 |
oct | 134422425235 |
9 | 35046371538 |
10 | 12420000413 |
11 | 52a3848157 |
12 | 24a75242a5 |
13 | 122c189792 |
14 | 85b70b309 |
15 | 4ca5851c8 |
hex | 2e44a2a9d |
12420000413 has 4 divisors (see below), whose sum is σ = 12420642528. Its totient is φ = 12419358300.
The previous prime is 12420000407. The next prime is 12420000449. The reversal of 12420000413 is 31400002421.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31400002421 = 14767 ⋅2126363.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12420000413 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12420000391 and 12420000400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12420005413) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291113 + ... + 331038.
It is an arithmetic number, because the mean of its divisors is an integer number (3105160632).
Almost surely, 212420000413 is an apocalyptic number.
It is an amenable number.
12420000413 is a deficient number, since it is larger than the sum of its proper divisors (642115).
12420000413 is an equidigital number, since it uses as much as digits as its factorization.
12420000413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 642114.
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 12420000413 its reverse (31400002421), we get a palindrome (43820002834).
The spelling of 12420000413 in words is "twelve billion, four hundred twenty million, four hundred thirteen", and thus it is an aban number.
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