Base | Representation |
---|---|
bin | 10010111010000111… |
… | …001101011010011011 |
3 | 1221101220101210010012 |
4 | 102322013031122123 |
5 | 313034343240212 |
6 | 13154325112135 |
7 | 1316052612062 |
oct | 227207153233 |
9 | 57356353105 |
10 | 20302321307 |
11 | 8679149544 |
12 | 3b2725864b |
13 | 1bb7209198 |
14 | da85011d9 |
15 | 7dc587922 |
hex | 4ba1cd69b |
20302321307 has 8 divisors (see below), whose sum is σ = 20675686416. Its totient is φ = 19931025312.
The previous prime is 20302321297. The next prime is 20302321327. The reversal of 20302321307 is 70312320302.
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 20302321307 - 26 = 20302321243 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20302321327) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497468 + ... + 536729.
It is an arithmetic number, because the mean of its divisors is an integer number (2584460802).
Almost surely, 220302321307 is an apocalyptic number.
20302321307 is a deficient number, since it is larger than the sum of its proper divisors (373365109).
20302321307 is a wasteful number, since it uses less digits than its factorization.
20302321307 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1034557.
The product of its (nonzero) digits is 1512, while the sum is 23.
Adding to 20302321307 its reverse (70312320302), we get a palindrome (90614641609).
The spelling of 20302321307 in words is "twenty billion, three hundred two million, three hundred twenty-one thousand, three hundred seven".
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