Base | Representation |
---|---|
bin | 11100010000000100… |
… | …101011000001011000 |
3 | 2220022001120202220022 |
4 | 130100010223001120 |
5 | 444111103300240 |
6 | 21534020050012 |
7 | 2122500261164 |
oct | 342004530130 |
9 | 86261522808 |
10 | 30334431320 |
11 | 11956aa5256 |
12 | 5a66b33908 |
13 | 2b25759b5b |
14 | 167aa21ca4 |
15 | bc81899b5 |
hex | 71012b058 |
30334431320 has 64 divisors (see below), whose sum is σ = 68709150720. Its totient is φ = 12052831104.
The previous prime is 30334431319. The next prime is 30334431331. The reversal of 30334431320 is 2313443303.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 30334431320.
It is a congruent number.
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, 4340549 + ... + 4347531.
It is an arithmetic number, because the mean of its divisors is an integer number (1073580480).
Almost surely, 230334431320 is an apocalyptic number.
It is an amenable number.
30334431320 is an abundant number, since it is smaller than the sum of its proper divisors (38374719400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30334431320 is a wasteful number, since it uses less digits than its factorization.
30334431320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7704 (or 7700 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 26.
Adding to 30334431320 its reverse (2313443303), we get a palindrome (32647874623).
The spelling of 30334431320 in words is "thirty billion, three hundred thirty-four million, four hundred thirty-one thousand, three hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •