Base | Representation |
---|---|
bin | 10010111011010110… |
… | …011110110110110100 |
3 | 1221110100111120001101 |
4 | 102323112132312310 |
5 | 313110203232012 |
6 | 13200350335444 |
7 | 1316424342424 |
oct | 227326366664 |
9 | 57410446041 |
10 | 20323102132 |
11 | 8689952483 |
12 | 3b321ba584 |
13 | 1bbb603b28 |
14 | dab190484 |
15 | 7de2ded57 |
hex | 4bb59edb4 |
20323102132 has 12 divisors (see below), whose sum is σ = 37657512900. Its totient is φ = 9563812736.
The previous prime is 20323102099. The next prime is 20323102139. The reversal of 20323102132 is 23120132302.
It can be written as a sum of positive squares in 2 ways, for example, as 15501744036 + 4821358096 = 124506^2 + 69436^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20323102139) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149434507 + ... + 149434642.
It is an arithmetic number, because the mean of its divisors is an integer number (3138126075).
Almost surely, 220323102132 is an apocalyptic number.
It is an amenable number.
20323102132 is a deficient number, since it is larger than the sum of its proper divisors (17334410768).
20323102132 is a wasteful number, since it uses less digits than its factorization.
20323102132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 298869170 (or 298869168 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 20323102132 its reverse (23120132302), we get a palindrome (43443234434).
The spelling of 20323102132 in words is "twenty billion, three hundred twenty-three million, one hundred two thousand, one hundred thirty-two".
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