Base | Representation |
---|---|
bin | 11100001111111000… |
… | …001000010010110000 |
3 | 2220021211101201122102 |
4 | 130033320020102300 |
5 | 444104233041334 |
6 | 21533421355532 |
7 | 2122430315225 |
oct | 341770102260 |
9 | 86254351572 |
10 | 30331143344 |
11 | 11955159a17 |
12 | 5a65a08ba8 |
13 | 2b24b783c8 |
14 | 167a40794c |
15 | bc7c3a67e |
hex | 70fe084b0 |
30331143344 has 80 divisors (see below), whose sum is σ = 61467003360. Its totient is φ = 14486968320.
The previous prime is 30331143329. The next prime is 30331143379. The reversal of 30331143344 is 44334113303.
It is a super-3 number, since 3×303311433443 (a number of 32 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7601702 + ... + 7605690.
It is an arithmetic number, because the mean of its divisors is an integer number (768337542).
Almost surely, 230331143344 is an apocalyptic number.
It is an amenable number.
30331143344 is an abundant number, since it is smaller than the sum of its proper divisors (31135860016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30331143344 is a wasteful number, since it uses less digits than its factorization.
30331143344 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4278 (or 4272 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 29.
Adding to 30331143344 its reverse (44334113303), we get a palindrome (74665256647).
The spelling of 30331143344 in words is "thirty billion, three hundred thirty-one million, one hundred forty-three thousand, three hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •