Base | Representation |
---|---|
bin | 10010111010001010… |
… | …101011110011100110 |
3 | 1221101222010001200002 |
4 | 102322022223303212 |
5 | 313040111412410 |
6 | 13154400421302 |
7 | 1316063424611 |
oct | 227212536346 |
9 | 57358101602 |
10 | 20303232230 |
11 | 8679710976 |
12 | 3b27617832 |
13 | 1bb74679a8 |
14 | da869b178 |
15 | 7dc6b77a5 |
hex | 4ba2abce6 |
20303232230 has 16 divisors (see below), whose sum is σ = 38469282480. Its totient is φ = 7693856352.
The previous prime is 20303232223. The next prime is 20303232233. The reversal of 20303232230 is 3223230302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20303232233) 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, 53429369 + ... + 53429748.
It is an arithmetic number, because the mean of its divisors is an integer number (2404330155).
Almost surely, 220303232230 is an apocalyptic number.
20303232230 is a deficient number, since it is larger than the sum of its proper divisors (18166050250).
20303232230 is a wasteful number, since it uses less digits than its factorization.
20303232230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106859143.
The product of its (nonzero) digits is 1296, while the sum is 20.
Adding to 20303232230 its reverse (3223230302), we get a palindrome (23526462532).
The spelling of 20303232230 in words is "twenty billion, three hundred three million, two hundred thirty-two thousand, two hundred thirty".
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