Base | Representation |
---|---|
bin | 11100001010000011… |
… | …000011011001110101 |
3 | 2220001000100222121212 |
4 | 130022003003121311 |
5 | 443404213443410 |
6 | 21520005251205 |
7 | 2120132115623 |
oct | 341203033165 |
9 | 86030328555 |
10 | 30233343605 |
11 | 11904a30593 |
12 | 5a39103b05 |
13 | 2b0a82523a |
14 | 166b42a513 |
15 | bbe36cb05 |
hex | 70a0c3675 |
30233343605 has 4 divisors (see below), whose sum is σ = 36280012332. Its totient is φ = 24186674880.
The previous prime is 30233343499. The next prime is 30233343607. The reversal of 30233343605 is 50634333203.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 23570539729 + 6662803876 = 153527^2 + 81626^2 .
It is not a de Polignac number, because 30233343605 - 226 = 30166234741 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30233343607) 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, 3023334356 + ... + 3023334365.
It is an arithmetic number, because the mean of its divisors is an integer number (9070003083).
Almost surely, 230233343605 is an apocalyptic number.
It is an amenable number.
30233343605 is a deficient number, since it is larger than the sum of its proper divisors (6046668727).
30233343605 is an equidigital number, since it uses as much as digits as its factorization.
30233343605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6046668726.
The product of its (nonzero) digits is 58320, while the sum is 32.
Adding to 30233343605 its reverse (50634333203), we get a palindrome (80867676808).
The spelling of 30233343605 in words is "thirty billion, two hundred thirty-three million, three hundred forty-three thousand, six hundred five".
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