Base | Representation |
---|---|
bin | 11100001111111011… |
… | …110111000000101100 |
3 | 2220021220020101220210 |
4 | 130033323313000230 |
5 | 444110010334012 |
6 | 21533454342420 |
7 | 2122441530015 |
oct | 341773670054 |
9 | 86256211823 |
10 | 30332121132 |
11 | 11955767605 |
12 | 5a661baa10 |
13 | 2b2512b491 |
14 | 167a5c000c |
15 | bc7d8023c |
hex | 70fef702c |
30332121132 has 96 divisors (see below), whose sum is σ = 75886675200. Its totient is φ = 9400810752.
The previous prime is 30332121121. The next prime is 30332121137. The reversal of 30332121132 is 23112123303.
It is a super-2 number, since 2×303321211322 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30332121099 and 30332121108.
It is not an unprimeable number, because it can be changed into a prime (30332121137) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10396938 + ... + 10399854.
It is an arithmetic number, because the mean of its divisors is an integer number (790486200).
Almost surely, 230332121132 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 30332121132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37943337600).
30332121132 is an abundant number, since it is smaller than the sum of its proper divisors (45554554068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30332121132 is a wasteful number, since it uses less digits than its factorization.
30332121132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3775 (or 3773 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 30332121132 its reverse (23112123303), we get a palindrome (53444244435).
The spelling of 30332121132 in words is "thirty billion, three hundred thirty-two million, one hundred twenty-one thousand, one hundred thirty-two".
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