Base | Representation |
---|---|
bin | 10111001000110000… |
… | …00100101001100101 |
3 | 1012001200011001112100 |
4 | 23210120010221211 |
5 | 200414342402331 |
6 | 5412322442313 |
7 | 616546404636 |
oct | 134430045145 |
9 | 35050131470 |
10 | 12421450341 |
11 | 52a4648543 |
12 | 24a7b03399 |
13 | 122c576721 |
14 | 85b9a788d |
15 | 4ca76eae6 |
hex | 2e4604a65 |
12421450341 has 12 divisors (see below), whose sum is σ = 17943089580. Its totient is φ = 8280507840.
The previous prime is 12421450331. The next prime is 12421450351. The reversal of 12421450341 is 14305412421.
It is an interprime number because it is at equal distance from previous prime (12421450331) and next prime (12421450351).
It can be written as a sum of positive squares in 2 ways, for example, as 7532504100 + 4888946241 = 86790^2 + 69921^2 .
It is not a de Polignac number, because 12421450341 - 26 = 12421450277 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12421450331) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238471 + ... + 285851.
It is an arithmetic number, because the mean of its divisors is an integer number (1495257465).
Almost surely, 212421450341 is an apocalyptic number.
It is an amenable number.
12421450341 is a deficient number, since it is larger than the sum of its proper divisors (5521639239).
12421450341 is a wasteful number, since it uses less digits than its factorization.
12421450341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76516 (or 76513 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
Adding to 12421450341 its reverse (14305412421), we get a palindrome (26726862762).
The spelling of 12421450341 in words is "twelve billion, four hundred twenty-one million, four hundred fifty thousand, three hundred forty-one".
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