Base | Representation |
---|---|
bin | 11100010110100011… |
… | …001110000001110000 |
3 | 2220120122001211111011 |
4 | 130112203032001300 |
5 | 444321413233240 |
6 | 21552501200304 |
7 | 2125260046231 |
oct | 342643160160 |
9 | 86518054434 |
10 | 30443102320 |
11 | 11a023793a4 |
12 | 5a97400094 |
13 | 2b42118317 |
14 | 168b22d088 |
15 | bd29a36ea |
hex | 7168ce070 |
30443102320 has 40 divisors (see below), whose sum is σ = 70789643280. Its totient is φ = 12175618560.
The previous prime is 30443102297. The next prime is 30443102323. The reversal of 30443102320 is 2320134403.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (40).
It is a junction number, because it is equal to n+sod(n) for n = 30443102291 and 30443102300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30443102323) 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, 712111 + ... + 753649.
It is an arithmetic number, because the mean of its divisors is an integer number (1769741082).
Almost surely, 230443102320 is an apocalyptic number.
It is an amenable number.
30443102320 is an abundant number, since it is smaller than the sum of its proper divisors (40346540960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30443102320 is a wasteful number, since it uses less digits than its factorization.
30443102320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50713 (or 50707 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 30443102320 its reverse (2320134403), we get a palindrome (32763236723).
The spelling of 30443102320 in words is "thirty billion, four hundred forty-three million, one hundred two thousand, three hundred twenty".
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