Base | Representation |
---|---|
bin | 10011000000110110… |
… | …010100101110101101 |
3 | 1221200210001111020011 |
4 | 103000312110232231 |
5 | 313302311212331 |
6 | 13213443253221 |
7 | 1321624326052 |
oct | 230066245655 |
9 | 57623044204 |
10 | 20415335341 |
11 | 8726a19675 |
12 | 3b5907a211 |
13 | 1c047583ab |
14 | db951d029 |
15 | 7e745d3b1 |
hex | 4c0d94bad |
20415335341 has 4 divisors (see below), whose sum is σ = 20425008384. Its totient is φ = 20405662300.
The previous prime is 20415335321. The next prime is 20415335351. The reversal of 20415335341 is 14353351402.
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 a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20415335341 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20415335321) 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 3 ways as a sum of consecutive naturals, for example, 4833355 + ... + 4837576.
It is an arithmetic number, because the mean of its divisors is an integer number (5106252096).
Almost surely, 220415335341 is an apocalyptic number.
It is an amenable number.
20415335341 is a deficient number, since it is larger than the sum of its proper divisors (9673043).
20415335341 is an equidigital number, since it uses as much as digits as its factorization.
20415335341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9673042.
The product of its (nonzero) digits is 21600, while the sum is 31.
Adding to 20415335341 its reverse (14353351402), we get a palindrome (34768686743).
The spelling of 20415335341 in words is "twenty billion, four hundred fifteen million, three hundred thirty-five thousand, three hundred forty-one".
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