Base | Representation |
---|---|
bin | 11100001110111011… |
… | …000110001111000010 |
3 | 2220020201021212211221 |
4 | 130032323012033002 |
5 | 444041134103010 |
6 | 21532050425254 |
7 | 2122144321255 |
oct | 341673061702 |
9 | 86221255757 |
10 | 30315144130 |
11 | 11947121527 |
12 | 5a6059222a |
13 | 2b2176600b |
14 | 167824109c |
15 | bc6629dda |
hex | 70eec63c2 |
30315144130 has 16 divisors (see below), whose sum is σ = 54914824440. Its totient is φ = 12048820992.
The previous prime is 30315144121. The next prime is 30315144137. The reversal of 30315144130 is 3144151303.
It can be written as a sum of positive squares in 4 ways, for example, as 28341385801 + 1973758329 = 168349^2 + 44427^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30315144095 and 30315144104.
It is not an unprimeable number, because it can be changed into a prime (30315144137) 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, 9652935 + ... + 9656074.
Almost surely, 230315144130 is an apocalyptic number.
30315144130 is a deficient number, since it is larger than the sum of its proper divisors (24599680310).
30315144130 is a wasteful number, since it uses less digits than its factorization.
30315144130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19309173.
The product of its (nonzero) digits is 2160, while the sum is 25.
Adding to 30315144130 its reverse (3144151303), we get a palindrome (33459295433).
The spelling of 30315144130 in words is "thirty billion, three hundred fifteen million, one hundred forty-four thousand, one hundred thirty".
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