Base | Representation |
---|---|
bin | 11100001110100111… |
… | …111011111101010111 |
3 | 2220020100211200211022 |
4 | 130032213323331113 |
5 | 444033342340203 |
6 | 21531351031355 |
7 | 2122053531410 |
oct | 341647737527 |
9 | 86210750738 |
10 | 30310121303 |
11 | 11944300830 |
12 | 5a5a96b55b |
13 | 2b206c7a27 |
14 | 16776d4807 |
15 | bc5e86a38 |
hex | 70e9fbf57 |
30310121303 has 16 divisors (see below), whose sum is σ = 39432254976. Its totient is φ = 22591393440.
The previous prime is 30310121299. The next prime is 30310121323. The reversal of 30310121303 is 30312101303.
It is not a de Polignac number, because 30310121303 - 22 = 30310121299 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30310121323) 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, 8555576 + ... + 8559117.
It is an arithmetic number, because the mean of its divisors is an integer number (2464515936).
Almost surely, 230310121303 is an apocalyptic number.
30310121303 is a deficient number, since it is larger than the sum of its proper divisors (9122133673).
30310121303 is a wasteful number, since it uses less digits than its factorization.
30310121303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17114734.
The product of its (nonzero) digits is 162, while the sum is 17.
Adding to 30310121303 its reverse (30312101303), we get a palindrome (60622222606).
The spelling of 30310121303 in words is "thirty billion, three hundred ten million, one hundred twenty-one thousand, three hundred three".
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