Base | Representation |
---|---|
bin | 10111101011001001… |
… | …110001000001100101 |
3 | 2102121120021221120200 |
4 | 113223021301001211 |
5 | 404030012323331 |
6 | 15402223421113 |
7 | 1556634536421 |
oct | 275311610145 |
9 | 72546257520 |
10 | 25420042341 |
11 | a864a51061 |
12 | 4b15154799 |
13 | 2521574595 |
14 | 1332087b81 |
15 | 9db9e45e6 |
hex | 5eb271065 |
25420042341 has 12 divisors (see below), whose sum is σ = 36828773280. Its totient is φ = 16895494440.
The previous prime is 25420042337. The next prime is 25420042343. The reversal of 25420042341 is 14324002452.
25420042341 is a `hidden beast` number, since 2 + 5 + 420 + 0 + 4 + 234 + 1 = 666.
It is not a de Polignac number, because 25420042341 - 22 = 25420042337 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25420042343) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4263561 + ... + 4269518.
It is an arithmetic number, because the mean of its divisors is an integer number (3069064440).
Almost surely, 225420042341 is an apocalyptic number.
It is an amenable number.
25420042341 is a deficient number, since it is larger than the sum of its proper divisors (11408730939).
25420042341 is a wasteful number, since it uses less digits than its factorization.
25420042341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8533416 (or 8533413 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 27.
Adding to 25420042341 its reverse (14324002452), we get a palindrome (39744044793).
The spelling of 25420042341 in words is "twenty-five billion, four hundred twenty million, forty-two thousand, three hundred forty-one".
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