Base | Representation |
---|---|
bin | 10010101111111110… |
… | …101001000101111110 |
3 | 1220222001110222011101 |
4 | 102233332221011332 |
5 | 312212332200410 |
6 | 13125413043314 |
7 | 1311616516414 |
oct | 225776510576 |
9 | 56861428141 |
10 | 20132303230 |
11 | 85a1184436 |
12 | 3a9a32653a |
13 | 1b8ac1b880 |
14 | d8dac52b4 |
15 | 7cc6a1d3a |
hex | 4affa917e |
20132303230 has 16 divisors (see below), whose sum is σ = 39025695744. Its totient is φ = 7433465760.
The previous prime is 20132303209. The next prime is 20132303273. The reversal of 20132303230 is 3230323102.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 20132303198 and 20132303207.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77431806 + ... + 77432065.
It is an arithmetic number, because the mean of its divisors is an integer number (2439105984).
Almost surely, 220132303230 is an apocalyptic number.
20132303230 is a deficient number, since it is larger than the sum of its proper divisors (18893392514).
20132303230 is a wasteful number, since it uses less digits than its factorization.
20132303230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154863891.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 20132303230 its reverse (3230323102), we get a palindrome (23362626332).
The spelling of 20132303230 in words is "twenty billion, one hundred thirty-two million, three hundred three thousand, two hundred thirty".
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