Base | Representation |
---|---|
bin | 11100001000110110… |
… | …011000000101001100 |
3 | 2212222121112210001212 |
4 | 130020312120011030 |
5 | 443334042240322 |
6 | 21514010353552 |
7 | 2116466221115 |
oct | 341066300514 |
9 | 85877483055 |
10 | 30213243212 |
11 | 118a4651899 |
12 | 5a3242b8b8 |
13 | 2b06608209 |
14 | 16688b720c |
15 | bbc6ec0e2 |
hex | 708d9814c |
30213243212 has 48 divisors (see below), whose sum is σ = 54690854400. Its totient is φ = 14597458560.
The previous prime is 30213243199. The next prime is 30213243223. The reversal of 30213243212 is 21234231203.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5355089 + ... + 5360727.
It is an arithmetic number, because the mean of its divisors is an integer number (1139392800).
Almost surely, 230213243212 is an apocalyptic number.
It is an amenable number.
30213243212 is a deficient number, since it is larger than the sum of its proper divisors (24477611188).
30213243212 is a wasteful number, since it uses less digits than its factorization.
30213243212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6086 (or 6084 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 30213243212 its reverse (21234231203), we get a palindrome (51447474415).
The spelling of 30213243212 in words is "thirty billion, two hundred thirteen million, two hundred forty-three thousand, two hundred twelve".
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