Base | Representation |
---|---|
bin | 11100010110011000… |
… | …101001110000100001 |
3 | 2220120102212002202121 |
4 | 130112120221300201 |
5 | 444320211113241 |
6 | 21552321544241 |
7 | 2125224361360 |
oct | 342630516041 |
9 | 86512762677 |
10 | 30440332321 |
11 | 11a00857243 |
12 | 5a964a5081 |
13 | 2b41688579 |
14 | 168ab0b7d7 |
15 | bd2607ad1 |
hex | 716629c21 |
30440332321 has 8 divisors (see below), whose sum is σ = 35126708864. Its totient is φ = 25838395200.
The previous prime is 30440332303. The next prime is 30440332327. The reversal of 30440332321 is 12323304403.
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 30440332321 - 215 = 30440299553 is a prime.
It is a super-2 number, since 2×304403323212 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30440332327) 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, 21109080 + ... + 21110521.
It is an arithmetic number, because the mean of its divisors is an integer number (4390838608).
Almost surely, 230440332321 is an apocalyptic number.
It is an amenable number.
30440332321 is a deficient number, since it is larger than the sum of its proper divisors (4686376543).
30440332321 is a wasteful number, since it uses less digits than its factorization.
30440332321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42219711.
The product of its (nonzero) digits is 5184, while the sum is 25.
Adding to 30440332321 its reverse (12323304403), we get a palindrome (42763636724).
The spelling of 30440332321 in words is "thirty billion, four hundred forty million, three hundred thirty-two thousand, three hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.098 sec. • engine limits •