Base | Representation |
---|---|
bin | 10010111010000110… |
… | …000010001100100111 |
3 | 1221101212211010111200 |
4 | 102322012002030213 |
5 | 313034303410343 |
6 | 13154314333543 |
7 | 1316050156632 |
oct | 227206021447 |
9 | 57355733450 |
10 | 20302013223 |
11 | 8678a59028 |
12 | 3b2712a2b3 |
13 | 1bb712bb9b |
14 | da8460c19 |
15 | 7dc5264d3 |
hex | 4ba182327 |
20302013223 has 12 divisors (see below), whose sum is σ = 29327092080. Its totient is φ = 13533770016.
The previous prime is 20302013203. The next prime is 20302013261. The reversal of 20302013223 is 32231020302.
It is a happy number.
It is not a de Polignac number, because 20302013223 - 26 = 20302013159 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20302013196 and 20302013205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20302013203) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84363 + ... + 218451.
It is an arithmetic number, because the mean of its divisors is an integer number (2443924340).
Almost surely, 220302013223 is an apocalyptic number.
20302013223 is a deficient number, since it is larger than the sum of its proper divisors (9025078857).
20302013223 is a wasteful number, since it uses less digits than its factorization.
20302013223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150918 (or 150915 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 20302013223 its reverse (32231020302), we get a palindrome (52533033525).
The spelling of 20302013223 in words is "twenty billion, three hundred two million, thirteen thousand, two hundred twenty-three".
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