Base | Representation |
---|---|
bin | 11100001000110101… |
… | …011100110010000000 |
3 | 2212222121002102212212 |
4 | 130020311130302000 |
5 | 443334012002240 |
6 | 21514001241252 |
7 | 2116464160016 |
oct | 341065346200 |
9 | 85877072785 |
10 | 30213000320 |
11 | 118a44a6358 |
12 | 5a32333228 |
13 | 2b065517a9 |
14 | 16688528b6 |
15 | bbc6a0165 |
hex | 708d5cc80 |
30213000320 has 32 divisors (see below), whose sum is σ = 72227955420. Its totient is φ = 12085199872.
The previous prime is 30213000263. The next prime is 30213000331. The reversal of 30213000320 is 2300031203.
It can be written as a sum of positive squares in 2 ways, for example, as 30161963584 + 51036736 = 173672^2 + 7144^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is a junction number, because it is equal to n+sod(n) for n = 30213000295 and 30213000304.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23603267 + ... + 23604546.
Almost surely, 230213000320 is an apocalyptic number.
It is an amenable number.
30213000320 is an abundant number, since it is smaller than the sum of its proper divisors (42014955100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30213000320 is an equidigital number, since it uses as much as digits as its factorization.
30213000320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47207832 (or 47207820 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 14.
Adding to 30213000320 its reverse (2300031203), we get a palindrome (32513031523).
The spelling of 30213000320 in words is "thirty billion, two hundred thirteen million, three hundred twenty", and thus it is an aban number.
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