Base | Representation |
---|---|
bin | 11100001110101100… |
… | …000101110011100001 |
3 | 2220020102220000112011 |
4 | 130032230011303201 |
5 | 444034132211314 |
6 | 21531430232521 |
7 | 2122066015150 |
oct | 341654056341 |
9 | 86212800464 |
10 | 30311210209 |
11 | 11944984955 |
12 | 5a5b1b5741 |
13 | 2b209b9557 |
14 | 16778d9597 |
15 | bc60ee4c4 |
hex | 70eb05ce1 |
30311210209 has 16 divisors (see below), whose sum is σ = 34938288000. Its totient is φ = 25759004544.
The previous prime is 30311210159. The next prime is 30311210213. The reversal of 30311210209 is 90201211303.
It is not a de Polignac number, because 30311210209 - 27 = 30311210081 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30311210209.
It is not an unprimeable number, because it can be changed into a prime (30311210009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543957 + ... + 597085.
It is an arithmetic number, because the mean of its divisors is an integer number (2183643000).
Almost surely, 230311210209 is an apocalyptic number.
It is an amenable number.
30311210209 is a deficient number, since it is larger than the sum of its proper divisors (4627077791).
30311210209 is a wasteful number, since it uses less digits than its factorization.
30311210209 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53832.
The product of its (nonzero) digits is 324, while the sum is 22.
The spelling of 30311210209 in words is "thirty billion, three hundred eleven million, two hundred ten thousand, two hundred nine".
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