Base | Representation |
---|---|
bin | 11100001111100001… |
… | …000111111011100000 |
3 | 2220021102001022221110 |
4 | 130033201013323200 |
5 | 444101212100134 |
6 | 21533044223320 |
7 | 2122325126556 |
oct | 341741077340 |
9 | 86242038843 |
10 | 30325112544 |
11 | 1195180a991 |
12 | 5a6399ab40 |
13 | 2b2384639c |
14 | 16796b7bd6 |
15 | bc74487e9 |
hex | 70f847ee0 |
30325112544 has 96 divisors (see below), whose sum is σ = 82467141120. Its totient is φ = 9745731072.
The previous prime is 30325112537. The next prime is 30325112549. The reversal of 30325112544 is 44521152303.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×303251125442 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30325112549) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2016477 + ... + 2031459.
It is an arithmetic number, because the mean of its divisors is an integer number (859032720).
Almost surely, 230325112544 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30325112544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41233570560).
30325112544 is an abundant number, since it is smaller than the sum of its proper divisors (52142028576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30325112544 is a wasteful number, since it uses less digits than its factorization.
30325112544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15752 (or 15744 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
Adding to 30325112544 its reverse (44521152303), we get a palindrome (74846264847).
The spelling of 30325112544 in words is "thirty billion, three hundred twenty-five million, one hundred twelve thousand, five hundred forty-four".
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