Base | Representation |
---|---|
bin | 10010111011011101… |
… | …110101101011110111 |
3 | 1221110111010112110212 |
4 | 102323131311223313 |
5 | 313111201440042 |
6 | 13200455540035 |
7 | 1316446624055 |
oct | 227335655367 |
9 | 57414115425 |
10 | 20325030647 |
11 | 868aa4a399 |
12 | 3b3298a61b |
13 | 1bbbb2a86c |
14 | dab5331d5 |
15 | 7de571482 |
hex | 4bb775af7 |
20325030647 has 8 divisors (see below), whose sum is σ = 20451124512. Its totient is φ = 20199088800.
The previous prime is 20325030641. The next prime is 20325030709. The reversal of 20325030647 is 74603052302.
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 20325030647 - 214 = 20325014263 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 (20325030641) 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, 236333 + ... + 310649.
It is an arithmetic number, because the mean of its divisors is an integer number (2556390564).
Almost surely, 220325030647 is an apocalyptic number.
20325030647 is a deficient number, since it is larger than the sum of its proper divisors (126093865).
20325030647 is a wasteful number, since it uses less digits than its factorization.
20325030647 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76009.
The product of its (nonzero) digits is 30240, while the sum is 32.
Adding to 20325030647 its reverse (74603052302), we get a palindrome (94928082949).
The spelling of 20325030647 in words is "twenty billion, three hundred twenty-five million, thirty thousand, six hundred forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •