Base | Representation |
---|---|
bin | 11100001000110010… |
… | …110110110001001100 |
3 | 2212222112210220010010 |
4 | 130020302312301030 |
5 | 443333323222312 |
6 | 21513534513220 |
7 | 2116455325365 |
oct | 341062666114 |
9 | 85875726103 |
10 | 30212320332 |
11 | 118a4081487 |
12 | 5a32065810 |
13 | 2b0637412c |
14 | 1668716b6c |
15 | bbc5b893c |
hex | 708cb6c4c |
30212320332 has 24 divisors (see below), whose sum is σ = 70562646000. Its totient is φ = 10061168896.
The previous prime is 30212320331. The next prime is 30212320351. The reversal of 30212320332 is 23302321203.
It is a junction number, because it is equal to n+sod(n) for n = 30212320299 and 30212320308.
It is not an unprimeable number, because it can be changed into a prime (30212320331) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187457 + ... + 1212632.
It is an arithmetic number, because the mean of its divisors is an integer number (2940110250).
Almost surely, 230212320332 is an apocalyptic number.
It is an amenable number.
30212320332 is an abundant number, since it is smaller than the sum of its proper divisors (40350325668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30212320332 is a wasteful number, since it uses less digits than its factorization.
30212320332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2401145 (or 2401143 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 21.
Adding to 30212320332 its reverse (23302321203), we get a palindrome (53514641535).
The spelling of 30212320332 in words is "thirty billion, two hundred twelve million, three hundred twenty thousand, three hundred thirty-two".
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