Base | Representation |
---|---|
bin | 10010111010000110… |
… | …011100110011110110 |
3 | 1221101220000200000222 |
4 | 102322012130303312 |
5 | 313034320402410 |
6 | 13154320534342 |
7 | 1316051122505 |
oct | 227206346366 |
9 | 57356020028 |
10 | 20302122230 |
11 | 8679022a15 |
12 | 3b271813b2 |
13 | 1bb71696a0 |
14 | da848c83c |
15 | 7dc548955 |
hex | 4ba19ccf6 |
20302122230 has 64 divisors (see below), whose sum is σ = 40217083200. Its totient is φ = 7332788736.
The previous prime is 20302122229. The next prime is 20302122257. The reversal of 20302122230 is 3222120302.
It is a junction number, because it is equal to n+sod(n) for n = 20302122199 and 20302122208.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 2400389 + ... + 2408831.
It is an arithmetic number, because the mean of its divisors is an integer number (628391925).
Almost surely, 220302122230 is an apocalyptic number.
20302122230 is a deficient number, since it is larger than the sum of its proper divisors (19914960970).
20302122230 is a wasteful number, since it uses less digits than its factorization.
20302122230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8865.
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 20302122230 its reverse (3222120302), we get a palindrome (23524242532).
The spelling of 20302122230 in words is "twenty billion, three hundred two million, one hundred twenty-two thousand, two hundred thirty".
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