Base | Representation |
---|---|
bin | 1000100111000010… |
… | …1001001001001110 |
3 | 12222001222122120020 |
4 | 2021300221021032 |
5 | 14213133330110 |
6 | 1021201403010 |
7 | 111163062654 |
oct | 21160511116 |
9 | 5861878506 |
10 | 2311230030 |
11 | a866a136a |
12 | 546039466 |
13 | 2aaaa7845 |
14 | 17cd52dd4 |
15 | d7d8dd70 |
hex | 89c2924e |
2311230030 has 32 divisors (see below), whose sum is σ = 5549033088. Its totient is φ = 616096800.
The previous prime is 2311230011. The next prime is 2311230059. The reversal of 2311230030 is 300321132.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 2311229991 and 2311230009.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76165 + ... + 102095.
It is an arithmetic number, because the mean of its divisors is an integer number (173407284).
Almost surely, 22311230030 is an apocalyptic number.
2311230030 is an abundant number, since it is smaller than the sum of its proper divisors (3237803058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2311230030 is a wasteful number, since it uses less digits than its factorization.
2311230030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28912.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 2311230030 is about 48075.2538214828. The cubic root of 2311230030 is about 1322.1509982296.
Adding to 2311230030 its reverse (300321132), we get a palindrome (2611551162).
The spelling of 2311230030 in words is "two billion, three hundred eleven million, two hundred thirty thousand, thirty".
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