Base | Representation |
---|---|
bin | 10010111011110101… |
… | …010111111101001000 |
3 | 1221110220201222200120 |
4 | 102323311113331020 |
5 | 313114241402303 |
6 | 13201240103240 |
7 | 1316553231345 |
oct | 227365277510 |
9 | 57426658616 |
10 | 20331200328 |
11 | 86934837aa |
12 | 3b34a64b20 |
13 | 1bc01aab6a |
14 | dac29b7cc |
15 | 7ded8e553 |
hex | 4bbd57f48 |
20331200328 has 16 divisors (see below), whose sum is σ = 50828000880. Its totient is φ = 6777066768.
The previous prime is 20331200327. The next prime is 20331200339. The reversal of 20331200328 is 82300213302.
It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 847133347 = 20331200328 / (2 + 0 + 3 + 3 + 1 + 2 + 0 + 0 + 3 + 2 + 8).
It is a junction number, because it is equal to n+sod(n) for n = 20331200298 and 20331200307.
It is not an unprimeable number, because it can be changed into a prime (20331200327) 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, 423566650 + ... + 423566697.
It is an arithmetic number, because the mean of its divisors is an integer number (3176750055).
Almost surely, 220331200328 is an apocalyptic number.
It is an amenable number.
20331200328 is an abundant number, since it is smaller than the sum of its proper divisors (30496800552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20331200328 is a wasteful number, since it uses less digits than its factorization.
20331200328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 847133356 (or 847133352 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
The spelling of 20331200328 in words is "twenty billion, three hundred thirty-one million, two hundred thousand, three hundred twenty-eight".
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