Base | Representation |
---|---|
bin | 1101101111110101101011… |
… | …11000100011010111111110 |
3 | 10222001001120112220100120020 |
4 | 12313322311320203113332 |
5 | 12430301123010032202 |
6 | 144143535530233010 |
7 | 6240056065322025 |
oct | 667726570432776 |
9 | 128031515810506 |
10 | 30231031330302 |
11 | 96a59aa078a80 |
12 | 3482b87285766 |
13 | 13b3a0a6b001a |
14 | 76729285b8bc |
15 | 3765a26965bc |
hex | 1b7eb5e235fe |
30231031330302 has 128 divisors (see below), whose sum is σ = 72099223289856. Its totient is φ = 8343003840000.
The previous prime is 30231031330193. The next prime is 30231031330307. The reversal of 30231031330302 is 20303313013203.
It is a super-2 number, since 2×302310313303022 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30231031330307) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 359290777 + ... + 359374907.
It is an arithmetic number, because the mean of its divisors is an integer number (563275181952).
Almost surely, 230231031330302 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30231031330302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36049611644928).
30231031330302 is an abundant number, since it is smaller than the sum of its proper divisors (41868191959554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30231031330302 is a wasteful number, since it uses less digits than its factorization.
30231031330302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94526.
The product of its (nonzero) digits is 2916, while the sum is 24.
Adding to 30231031330302 its reverse (20303313013203), we get a palindrome (50534344343505).
The spelling of 30231031330302 in words is "thirty trillion, two hundred thirty-one billion, thirty-one million, three hundred thirty thousand, three hundred two".
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