Base | Representation |
---|---|
bin | 111011111011111… |
… | …0010001111010001 |
3 | 12012011021002120111 |
4 | 1313313302033101 |
5 | 13104321044101 |
6 | 531321041321 |
7 | 100560113314 |
oct | 16767621721 |
9 | 5164232514 |
10 | 2011112401 |
11 | 942247571 |
12 | 481626241 |
13 | 26086834c |
14 | 15114c97b |
15 | bb85a251 |
hex | 77df23d1 |
2011112401 has 24 divisors (see below), whose sum is σ = 2126113920. Its totient is φ = 1901176992.
The previous prime is 2011112353. The next prime is 2011112407. The reversal of 2011112401 is 1042111102.
It is not a de Polignac number, because 2011112401 - 27 = 2011112273 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2011112407) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18795390 + ... + 18795496.
It is an arithmetic number, because the mean of its divisors is an integer number (88588080).
Almost surely, 22011112401 is an apocalyptic number.
It is an amenable number.
2011112401 is a deficient number, since it is larger than the sum of its proper divisors (115001519).
2011112401 is an equidigital number, since it uses as much as digits as its factorization.
2011112401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 373 (or 306 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
The square root of 2011112401 is about 44845.4278717463. The cubic root of 2011112401 is about 1262.2501994548.
Adding to 2011112401 its reverse (1042111102), we get a palindrome (3053223503).
The spelling of 2011112401 in words is "two billion, eleven million, one hundred twelve thousand, four hundred one".
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