Base | Representation |
---|---|
bin | 11100011001010011… |
… | …010000100000001100 |
3 | 2220200211220100221020 |
4 | 130121103100200030 |
5 | 444420221443204 |
6 | 22001230234140 |
7 | 2126360230056 |
oct | 343123204014 |
9 | 86624810836 |
10 | 30489249804 |
11 | 11a26428712 |
12 | 5aaa955950 |
13 | 2b4b855020 |
14 | 16934028d6 |
15 | bd6a6bbd9 |
hex | 7194d080c |
30489249804 has 48 divisors (see below), whose sum is σ = 76631852640. Its totient is φ = 9379123200.
The previous prime is 30489249779. The next prime is 30489249827. The reversal of 30489249804 is 40894298403.
It is a super-2 number, since 2×304892498042 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 728602 + ... + 769310.
It is an arithmetic number, because the mean of its divisors is an integer number (1596496930).
Almost surely, 230489249804 is an apocalyptic number.
It is an amenable number.
30489249804 is an abundant number, since it is smaller than the sum of its proper divisors (46142602836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30489249804 is a wasteful number, since it uses less digits than its factorization.
30489249804 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45530 (or 45528 counting only the distinct ones).
The product of its (nonzero) digits is 1990656, while the sum is 51.
The spelling of 30489249804 in words is "thirty billion, four hundred eighty-nine million, two hundred forty-nine thousand, eight hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •