Base | Representation |
---|---|
bin | 11100011011111010… |
… | …100111010100011011 |
3 | 2220210220110021022201 |
4 | 130123322213110123 |
5 | 1000012434340212 |
6 | 22005434431031 |
7 | 2130432151243 |
oct | 343372472433 |
9 | 86726407281 |
10 | 30533121307 |
11 | 11a49172a57 |
12 | 5b01592477 |
13 | 2b57975ab0 |
14 | 1699182b23 |
15 | bda835b57 |
hex | 71bea751b |
30533121307 has 16 divisors (see below), whose sum is σ = 33950423808. Its totient is φ = 27268899840.
The previous prime is 30533121233. The next prime is 30533121319. The reversal of 30533121307 is 70312133503.
It is not a de Polignac number, because 30533121307 - 215 = 30533088539 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30533121347) 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, 2990403 + ... + 3000595.
It is an arithmetic number, because the mean of its divisors is an integer number (2121901488).
Almost surely, 230533121307 is an apocalyptic number.
30533121307 is a deficient number, since it is larger than the sum of its proper divisors (3417302501).
30533121307 is a wasteful number, since it uses less digits than its factorization.
30533121307 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17670.
The product of its (nonzero) digits is 5670, while the sum is 28.
The spelling of 30533121307 in words is "thirty billion, five hundred thirty-three million, one hundred twenty-one thousand, three hundred seven".
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