Base | Representation |
---|---|
bin | 11100010110011111… |
… | …000110101000010010 |
3 | 2220120120001000112201 |
4 | 130112133012220102 |
5 | 444321124222232 |
6 | 21552422113414 |
7 | 2125244633635 |
oct | 342637065022 |
9 | 86516030481 |
10 | 30442023442 |
11 | 11a01801866 |
12 | 5a96b7b86a |
13 | 2b41b2b22c |
14 | 168b02bc1c |
15 | bd283dbe7 |
hex | 7167c6a12 |
30442023442 has 8 divisors (see below), whose sum is σ = 45668793456. Its totient is φ = 15219092292.
The previous prime is 30442023431. The next prime is 30442023449. The reversal of 30442023442 is 24432024403.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 30442023442.
It is not an unprimeable number, because it can be changed into a prime (30442023449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 939808 + ... + 971659.
It is an arithmetic number, because the mean of its divisors is an integer number (5708599182).
Almost surely, 230442023442 is an apocalyptic number.
30442023442 is a deficient number, since it is larger than the sum of its proper divisors (15226770014).
30442023442 is a wasteful number, since it uses less digits than its factorization.
30442023442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1919432.
The product of its (nonzero) digits is 18432, while the sum is 28.
Adding to 30442023442 its reverse (24432024403), we get a palindrome (54874047845).
The spelling of 30442023442 in words is "thirty billion, four hundred forty-two million, twenty-three thousand, four hundred forty-two".
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