Base | Representation |
---|---|
bin | 1101111000000011100101… |
… | …01010000100110111010110 |
3 | 11000001001100022101001200020 |
4 | 12330001302222010313112 |
5 | 12444412341023202012 |
6 | 144521352123530010 |
7 | 6266342533435422 |
oct | 674016252046726 |
9 | 130031308331606 |
10 | 30513371303382 |
11 | 97a4714689700 |
12 | 3509842389906 |
13 | 1404524863656 |
14 | 776bd838db82 |
15 | 37dac9754a8c |
hex | 1bc072a84dd6 |
30513371303382 has 96 divisors (see below), whose sum is σ = 69398137670400. Its totient is φ = 8926848934080.
The previous prime is 30513371303297. The next prime is 30513371303383. The reversal of 30513371303382 is 28330317331503.
It is a super-2 number, since 2×305133713033822 (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 (30513371303383) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 266465343 + ... + 266579829.
It is an arithmetic number, because the mean of its divisors is an integer number (722897267400).
Almost surely, 230513371303382 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30513371303382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34699068835200).
30513371303382 is an abundant number, since it is smaller than the sum of its proper divisors (38884766367018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30513371303382 is a wasteful number, since it uses less digits than its factorization.
30513371303382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127202 (or 127191 counting only the distinct ones).
The product of its (nonzero) digits is 408240, while the sum is 42.
Adding to 30513371303382 its reverse (28330317331503), we get a palindrome (58843688634885).
The spelling of 30513371303382 in words is "thirty trillion, five hundred thirteen billion, three hundred seventy-one million, three hundred three thousand, three hundred eighty-two".
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