Base | Representation |
---|---|
bin | 10010111011110010… |
… | …011001100010111101 |
3 | 1221110212021100211211 |
4 | 102323302121202331 |
5 | 313114041423123 |
6 | 13201211244421 |
7 | 1316543502502 |
oct | 227362314275 |
9 | 57425240754 |
10 | 20330420413 |
11 | 8692aa0846 |
12 | 3b34749711 |
13 | 1bbcc96b84 |
14 | dac1374a9 |
15 | 7dec8840d |
hex | 4bbc998bd |
20330420413 has 8 divisors (see below), whose sum is σ = 21524148000. Its totient is φ = 19149063408.
The previous prime is 20330420393. The next prime is 20330420417. The reversal of 20330420413 is 31402403302.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20330420413 - 25 = 20330420381 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 (20330420417) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3089263 + ... + 3095836.
It is an arithmetic number, because the mean of its divisors is an integer number (2690518500).
Almost surely, 220330420413 is an apocalyptic number.
It is an amenable number.
20330420413 is a deficient number, since it is larger than the sum of its proper divisors (1193727587).
20330420413 is a wasteful number, since it uses less digits than its factorization.
20330420413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6185291.
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 20330420413 its reverse (31402403302), we get a palindrome (51732823715).
The spelling of 20330420413 in words is "twenty billion, three hundred thirty million, four hundred twenty thousand, four hundred thirteen".
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