Base | Representation |
---|---|
bin | 10010111011010110… |
… | …001101010001110100 |
3 | 1221110100100220021201 |
4 | 102323112031101310 |
5 | 313110143431012 |
6 | 13200345022244 |
7 | 1316423622466 |
oct | 227326152164 |
9 | 57410326251 |
10 | 20323030132 |
11 | 8689903379 |
12 | 3b32184984 |
13 | 1bbb5aa122 |
14 | dab172136 |
15 | 7de2c8857 |
hex | 4bb58d474 |
20323030132 has 6 divisors (see below), whose sum is σ = 35565302738. Its totient is φ = 10161515064.
The previous prime is 20323030121. The next prime is 20323030139. The reversal of 20323030132 is 23103032302.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 12747764836 + 7575265296 = 112906^2 + 87036^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20323030139) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2540378763 + ... + 2540378770.
Almost surely, 220323030132 is an apocalyptic number.
It is an amenable number.
20323030132 is a deficient number, since it is larger than the sum of its proper divisors (15242272606).
20323030132 is a wasteful number, since it uses less digits than its factorization.
20323030132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5080757537 (or 5080757535 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 20323030132 its reverse (23103032302), we get a palindrome (43426062434).
The spelling of 20323030132 in words is "twenty billion, three hundred twenty-three million, thirty thousand, one hundred thirty-two".
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