Base | Representation |
---|---|
bin | 111011111100000… |
… | …0111110111101001 |
3 | 12012011102121002222 |
4 | 1313320013313221 |
5 | 13104331413001 |
6 | 531323003425 |
7 | 100560632525 |
oct | 16770076751 |
9 | 5164377088 |
10 | 2011201001 |
11 | 9422a8097 |
12 | 481669575 |
13 | 260899784 |
14 | 151172d85 |
15 | bb87661b |
hex | 77e07de9 |
2011201001 has 8 divisors (see below), whose sum is σ = 2016000000. Its totient is φ = 2006409600.
The previous prime is 2011200979. The next prime is 2011201033. The reversal of 2011201001 is 1001021102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2011201001 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2011201001.
It is not an unprimeable number, because it can be changed into a prime (2011201061) 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, 1436900 + ... + 1438298.
It is an arithmetic number, because the mean of its divisors is an integer number (252000000).
Almost surely, 22011201001 is an apocalyptic number.
It is an amenable number.
2011201001 is a deficient number, since it is larger than the sum of its proper divisors (4798999).
2011201001 is a wasteful number, since it uses less digits than its factorization.
2011201001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3799.
The product of its (nonzero) digits is 4, while the sum is 8.
The square root of 2011201001 is about 44846.4156984703. The cubic root of 2011201001 is about 1262.2687354195.
Adding to 2011201001 its reverse (1001021102), we get a palindrome (3012222103).
The spelling of 2011201001 in words is "two billion, eleven million, two hundred one thousand, one".
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