Base | Representation |
---|---|
bin | 11100010100001010… |
… | …101111111110010011 |
3 | 2220110211212012100020 |
4 | 130110022233332103 |
5 | 444231200231311 |
6 | 21544512354523 |
7 | 2124263240454 |
oct | 342412577623 |
9 | 86424765306 |
10 | 30403133331 |
11 | 1199185a07a |
12 | 5a85b45a43 |
13 | 2b36a6292c |
14 | 1685bc712b |
15 | bce20ac06 |
hex | 7142aff93 |
30403133331 has 32 divisors (see below), whose sum is σ = 41543884800. Its totient is φ = 19772756640.
The previous prime is 30403133323. The next prime is 30403133333. The reversal of 30403133331 is 13333130403.
It is not a de Polignac number, because 30403133331 - 23 = 30403133323 is a prime.
It is a super-2 number, since 2×304031333312 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30403133333) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11131236 + ... + 11133966.
It is an arithmetic number, because the mean of its divisors is an integer number (1298246400).
Almost surely, 230403133331 is an apocalyptic number.
30403133331 is a deficient number, since it is larger than the sum of its proper divisors (11140751469).
30403133331 is a wasteful number, since it uses less digits than its factorization.
30403133331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3359.
The product of its (nonzero) digits is 2916, while the sum is 24.
Adding to 30403133331 its reverse (13333130403), we get a palindrome (43736263734).
The spelling of 30403133331 in words is "thirty billion, four hundred three million, one hundred thirty-three thousand, three hundred thirty-one".
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