Base | Representation |
---|---|
bin | 10010111010000111… |
… | …001101001001101000 |
3 | 1221101220101201122101 |
4 | 102322013031021220 |
5 | 313034343221412 |
6 | 13154325103144 |
7 | 1316052605665 |
oct | 227207151150 |
9 | 57356351571 |
10 | 20302320232 |
11 | 8679148757 |
12 | 3b27257ab4 |
13 | 1bb720884c |
14 | da8500a6c |
15 | 7dc587457 |
hex | 4ba1cd268 |
20302320232 has 32 divisors (see below), whose sum is σ = 39413656800. Its totient is φ = 9792619200.
The previous prime is 20302320229. The next prime is 20302320239. The reversal of 20302320232 is 23202320302.
It is not an unprimeable number, because it can be changed into a prime (20302320239) 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, 234307 + ... + 309037.
It is an arithmetic number, because the mean of its divisors is an integer number (1231676775).
Almost surely, 220302320232 is an apocalyptic number.
It is an amenable number.
20302320232 is a deficient number, since it is larger than the sum of its proper divisors (19111336568).
20302320232 is a wasteful number, since it uses less digits than its factorization.
20302320232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75937 (or 75933 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 19.
Adding to 20302320232 its reverse (23202320302), we get a palindrome (43504640534).
The spelling of 20302320232 in words is "twenty billion, three hundred two million, three hundred twenty thousand, two hundred thirty-two".
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