Base | Representation |
---|---|
bin | 10011000000101011… |
… | …001111011110100001 |
3 | 1221200120120220011212 |
4 | 103000223033132201 |
5 | 313301040231431 |
6 | 13213301115505 |
7 | 1321560536300 |
oct | 230053173641 |
9 | 57616526155 |
10 | 20412430241 |
11 | 8725314a65 |
12 | 3b580b8b95 |
13 | 1c03c7bcb8 |
14 | db8da4437 |
15 | 7e708772b |
hex | 4c0acf7a1 |
20412430241 has 12 divisors (see below), whose sum is σ = 24777467712. Its totient is φ = 16735656168.
The previous prime is 20412430231. The next prime is 20412430243. The reversal of 20412430241 is 14203421402.
It is not a de Polignac number, because 20412430241 - 210 = 20412429217 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20412430243) 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, 9054965 + ... + 9057218.
It is an arithmetic number, because the mean of its divisors is an integer number (2064788976).
Almost surely, 220412430241 is an apocalyptic number.
It is an amenable number.
20412430241 is a deficient number, since it is larger than the sum of its proper divisors (4365037471).
20412430241 is a wasteful number, since it uses less digits than its factorization.
20412430241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18112220 (or 18112213 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 23.
Adding to 20412430241 its reverse (14203421402), we get a palindrome (34615851643).
The spelling of 20412430241 in words is "twenty billion, four hundred twelve million, four hundred thirty thousand, two hundred forty-one".
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