Base | Representation |
---|---|
bin | 111001011110… |
… | …0011100101011 |
3 | 2002200212100102 |
4 | 1302330130223 |
5 | 30203211021 |
6 | 2553500015 |
7 | 514055300 |
oct | 162743453 |
9 | 62625312 |
10 | 30132011 |
11 | 16010698 |
12 | a11160b |
13 | 63200c0 |
14 | 40050a7 |
15 | 29a300b |
hex | 1cbc72b |
30132011 has 12 divisors (see below), whose sum is σ = 37748592. Its totient is φ = 23840208.
The previous prime is 30131999. The next prime is 30132013. The reversal of 30132011 is 11023103.
It is a de Polignac number, because none of the positive numbers 2k-30132011 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30131983 and 30132001.
It is not an unprimeable number, because it can be changed into a prime (30132013) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23015 + ... + 24288.
It is an arithmetic number, because the mean of its divisors is an integer number (3145716).
Almost surely, 230132011 is an apocalyptic number.
30132011 is a deficient number, since it is larger than the sum of its proper divisors (7616581).
30132011 is a wasteful number, since it uses less digits than its factorization.
30132011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47330 (or 47323 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 30132011 is about 5489.2632474677. The cubic root of 30132011 is about 311.1783491247.
Adding to 30132011 its reverse (11023103), we get a palindrome (41155114).
The spelling of 30132011 in words is "thirty million, one hundred thirty-two thousand, eleven".
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