Base | Representation |
---|---|
bin | 11100010110011111… |
… | …000101110111001111 |
3 | 2220120120000212020110 |
4 | 130112133011313033 |
5 | 444321124122203 |
6 | 21552422051103 |
7 | 2125244621532 |
oct | 342637056717 |
9 | 86516025213 |
10 | 30442020303 |
11 | 11a017aa472 |
12 | 5a96b79a93 |
13 | 2b41b29986 |
14 | 168b02aa19 |
15 | bd283cd03 |
hex | 7167c5dcf |
30442020303 has 8 divisors (see below), whose sum is σ = 40592596608. Its totient is φ = 20293062104.
The previous prime is 30442020299. The next prime is 30442020311. The reversal of 30442020303 is 30302024403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30442020303 - 22 = 30442020299 is a prime.
It is a super-3 number, since 3×304420203033 (a number of 32 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30442020303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30442020353) 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, 359925 + ... + 436382.
It is an arithmetic number, because the mean of its divisors is an integer number (5074074576).
Almost surely, 230442020303 is an apocalyptic number.
30442020303 is a deficient number, since it is larger than the sum of its proper divisors (10150576305).
30442020303 is a wasteful number, since it uses less digits than its factorization.
30442020303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 809053.
The product of its (nonzero) digits is 1728, while the sum is 21.
Adding to 30442020303 its reverse (30302024403), we get a palindrome (60744044706).
The spelling of 30442020303 in words is "thirty billion, four hundred forty-two million, twenty thousand, three hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •