Base | Representation |
---|---|
bin | 11100001110101011… |
… | …101010111011100100 |
3 | 2220020102200102112020 |
4 | 130032223222323210 |
5 | 444034120201012 |
6 | 21531424023140 |
7 | 2122065046215 |
oct | 341653527344 |
9 | 86212612466 |
10 | 30311100132 |
11 | 1194490a185 |
12 | 5a5b161ab0 |
13 | 2b2097b411 |
14 | 16778ab40c |
15 | bc60cba8c |
hex | 70eaeaee4 |
30311100132 has 24 divisors (see below), whose sum is σ = 70877360736. Its totient is φ = 10082062848.
The previous prime is 30311100107. The next prime is 30311100139. The reversal of 30311100132 is 23100111303.
It is not an unprimeable number, because it can be changed into a prime (30311100139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2698813 + ... + 2710020.
It is an arithmetic number, because the mean of its divisors is an integer number (2953223364).
Almost surely, 230311100132 is an apocalyptic number.
It is an amenable number.
30311100132 is an abundant number, since it is smaller than the sum of its proper divisors (40566260604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30311100132 is a wasteful number, since it uses less digits than its factorization.
30311100132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5409307 (or 5409305 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 30311100132 its reverse (23100111303), we get a palindrome (53411211435).
The spelling of 30311100132 in words is "thirty billion, three hundred eleven million, one hundred thousand, one hundred thirty-two".
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