Base | Representation |
---|---|
bin | 11011111100001101… |
… | …111011011000110011 |
3 | 2212102211202121221000 |
4 | 123330031323120303 |
5 | 442420314011311 |
6 | 21441000133043 |
7 | 2111313645543 |
oct | 337415733063 |
9 | 85384677830 |
10 | 30001313331 |
11 | 117a5a60830 |
12 | 5993467183 |
13 | 2aa1734b12 |
14 | 16486ab323 |
15 | ba8cd8056 |
hex | 6fc37b633 |
30001313331 has 64 divisors (see below), whose sum is σ = 50360647680. Its totient is φ = 17487252000.
The previous prime is 30001313317. The next prime is 30001313333. The reversal of 30001313331 is 13331310003.
30001313331 is a `hidden beast` number, since 300 + 0 + 1 + 31 + 3 + 331 = 666.
It is not a de Polignac number, because 30001313331 - 25 = 30001313299 is a prime.
It is a super-2 number, since 2×300013133312 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30001313333) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1490746 + ... + 1510736.
It is an arithmetic number, because the mean of its divisors is an integer number (786885120).
Almost surely, 230001313331 is an apocalyptic number.
30001313331 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
30001313331 is a deficient number, since it is larger than the sum of its proper divisors (20359334349).
30001313331 is a wasteful number, since it uses less digits than its factorization.
30001313331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20205 (or 20199 counting only the distinct ones).
The product of its (nonzero) digits is 243, while the sum is 18.
Adding to 30001313331 its reverse (13331310003), we get a palindrome (43332623334).
The spelling of 30001313331 in words is "thirty billion, one million, three hundred thirteen thousand, three hundred thirty-one".
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