Base | Representation |
---|---|
bin | 11100110010100011… |
… | …111111110011011010 |
3 | 2221210101101120112201 |
4 | 130302203333303122 |
5 | 1001302221141000 |
6 | 22111250200414 |
7 | 2143024513261 |
oct | 346243776332 |
9 | 87711346481 |
10 | 30913068250 |
11 | 12123691799 |
12 | 5ba888310a |
13 | 2bb85b5a7c |
14 | 16d38075d8 |
15 | c0dd8796a |
hex | 7328ffcda |
30913068250 has 32 divisors (see below), whose sum is σ = 59736029184. Its totient is φ = 11966346000.
The previous prime is 30913068233. The next prime is 30913068253. The reversal of 30913068250 is 5286031903.
It is not an unprimeable number, because it can be changed into a prime (30913068253) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1986642 + ... + 2002141.
It is an arithmetic number, because the mean of its divisors is an integer number (1866750912).
Almost surely, 230913068250 is an apocalyptic number.
30913068250 is a deficient number, since it is larger than the sum of its proper divisors (28822960934).
30913068250 is a wasteful number, since it uses less digits than its factorization.
30913068250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3988831 (or 3988821 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 37.
The spelling of 30913068250 in words is "thirty billion, nine hundred thirteen million, sixty-eight thousand, two hundred fifty".
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