Base | Representation |
---|---|
bin | 11100001001111011… |
… | …010011001010111000 |
3 | 2220000212112201110101 |
4 | 130021323103022320 |
5 | 443403203423112 |
6 | 21515453525144 |
7 | 2120105622016 |
oct | 341173231270 |
9 | 86025481411 |
10 | 30231311032 |
11 | 1190387247a |
12 | 5a384a37b4 |
13 | 2b0a293030 |
14 | 166b05b8b6 |
15 | bbe0ba757 |
hex | 709ed32b8 |
30231311032 has 16 divisors (see below), whose sum is σ = 61043993640. Its totient is φ = 13952912736.
The previous prime is 30231310973. The next prime is 30231311051. The reversal of 30231311032 is 23011313203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145342738 + ... + 145342945.
Almost surely, 230231311032 is an apocalyptic number.
It is an amenable number.
30231311032 is an abundant number, since it is smaller than the sum of its proper divisors (30812682608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30231311032 is a wasteful number, since it uses less digits than its factorization.
30231311032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 290685702 (or 290685698 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 30231311032 its reverse (23011313203), we get a palindrome (53242624235).
The spelling of 30231311032 in words is "thirty billion, two hundred thirty-one million, three hundred eleven thousand, thirty-two".
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