Base | Representation |
---|---|
bin | 10010101010100000… |
… | …000110110010110101 |
3 | 1220201122120102120010 |
4 | 102222200012302311 |
5 | 312020321143331 |
6 | 13112331330433 |
7 | 1306422460065 |
oct | 225240066265 |
9 | 56648512503 |
10 | 20040412341 |
11 | 8554321454 |
12 | 3a735b0a19 |
13 | 1b74b87071 |
14 | d818053a5 |
15 | 7c459ee46 |
hex | 4aa806cb5 |
20040412341 has 4 divisors (see below), whose sum is σ = 26720549792. Its totient is φ = 13360274892.
The previous prime is 20040412339. The next prime is 20040412351. The reversal of 20040412341 is 14321404002.
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.
It is not a de Polignac number, because 20040412341 - 21 = 20040412339 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20040412321) 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, 3340068721 + ... + 3340068726.
It is an arithmetic number, because the mean of its divisors is an integer number (6680137448).
Almost surely, 220040412341 is an apocalyptic number.
It is an amenable number.
20040412341 is a deficient number, since it is larger than the sum of its proper divisors (6680137451).
20040412341 is an equidigital number, since it uses as much as digits as its factorization.
20040412341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6680137450.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 20040412341 its reverse (14321404002), we get a palindrome (34361816343).
The spelling of 20040412341 in words is "twenty billion, forty million, four hundred twelve thousand, three hundred forty-one".
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