Base | Representation |
---|---|
bin | 111111110001101… |
… | …1111101011001011 |
3 | 12112010210211111111 |
4 | 1333203133223023 |
5 | 13340320324321 |
6 | 552203511151 |
7 | 104013536512 |
oct | 17743375313 |
9 | 5463724444 |
10 | 2140011211 |
11 | 9a8a87108 |
12 | 4b88284b7 |
13 | 281489830 |
14 | 164303679 |
15 | c7d1c5e1 |
hex | 7f8dfacb |
2140011211 has 32 divisors (see below), whose sum is σ = 2482966080. Its totient is φ = 1827878400.
The previous prime is 2140011199. The next prime is 2140011233. The reversal of 2140011211 is 1121100412.
It is a cyclic number.
It is not a de Polignac number, because 2140011211 - 211 = 2140009163 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2140011191 and 2140011200.
It is not an unprimeable number, because it can be changed into a prime (2140011271) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2606181 + ... + 2607001.
It is an arithmetic number, because the mean of its divisors is an integer number (77592690).
Almost surely, 22140011211 is an apocalyptic number.
2140011211 is a deficient number, since it is larger than the sum of its proper divisors (342954869).
2140011211 is a wasteful number, since it uses less digits than its factorization.
2140011211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1087.
The product of its (nonzero) digits is 16, while the sum is 13.
The square root of 2140011211 is about 46260.2551981720. The cubic root of 2140011211 is about 1288.6609928736.
Adding to 2140011211 its reverse (1121100412), we get a palindrome (3261111623).
The spelling of 2140011211 in words is "two billion, one hundred forty million, eleven thousand, two hundred eleven".
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