Base | Representation |
---|---|
bin | 11100001000110010… |
… | …110100100010011010 |
3 | 2212222112210102120200 |
4 | 130020302310202122 |
5 | 443333322424234 |
6 | 21513534403030 |
7 | 2116455256632 |
oct | 341062644232 |
9 | 85875712520 |
10 | 30212311194 |
11 | 118a407562a |
12 | 5a32060476 |
13 | 2b0636cc20 |
14 | 16687136c2 |
15 | bbc5b5d99 |
hex | 708cb489a |
30212311194 has 48 divisors (see below), whose sum is σ = 71193422664. Its totient is φ = 9204048000.
The previous prime is 30212311183. The next prime is 30212311229. The reversal of 30212311194 is 49111321203.
It can be written as a sum of positive squares in 4 ways, for example, as 22288997025 + 7923314169 = 149295^2 + 89013^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 615537 + ... + 662804.
Almost surely, 230212311194 is an apocalyptic number.
30212311194 is an abundant number, since it is smaller than the sum of its proper divisors (40981111470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30212311194 is a wasteful number, since it uses less digits than its factorization.
30212311194 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1278463 (or 1278460 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
Adding to 30212311194 its reverse (49111321203), we get a palindrome (79323632397).
The spelling of 30212311194 in words is "thirty billion, two hundred twelve million, three hundred eleven thousand, one hundred ninety-four".
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