Base | Representation |
---|---|
bin | 11100001110101011… |
… | …101011101100010010 |
3 | 2220020102200120210201 |
4 | 130032223223230102 |
5 | 444034120301000 |
6 | 21531424045414 |
7 | 2122065061261 |
oct | 341653535422 |
9 | 86212616721 |
10 | 30311103250 |
11 | 1194491155a |
12 | 5a5b16386a |
13 | 2b2097c96c |
14 | 16778ac5d8 |
15 | bc60cc96a |
hex | 70eaebb12 |
30311103250 has 16 divisors (see below), whose sum is σ = 56742385752. Its totient is φ = 12124441200.
The previous prime is 30311103247. The next prime is 30311103269. The reversal of 30311103250 is 5230111303.
It can be written as a sum of positive squares in 4 ways, for example, as 9362304081 + 20948799169 = 96759^2 + 144737^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60621957 + ... + 60622456.
Almost surely, 230311103250 is an apocalyptic number.
30311103250 is a deficient number, since it is larger than the sum of its proper divisors (26431282502).
30311103250 is a wasteful number, since it uses less digits than its factorization.
30311103250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121244430 (or 121244420 counting only the distinct ones).
The product of its (nonzero) digits is 270, while the sum is 19.
Adding to 30311103250 its reverse (5230111303), we get a palindrome (35541214553).
The spelling of 30311103250 in words is "thirty billion, three hundred eleven million, one hundred three thousand, two hundred fifty".
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