Base | Representation |
---|---|
bin | 111111001111011… |
… | …1010001110010101 |
3 | 12110212222101200120 |
4 | 1332132322032111 |
5 | 13321220011041 |
6 | 550322302153 |
7 | 103404655164 |
oct | 17636721625 |
9 | 5425871616 |
10 | 2122032021 |
11 | 99991707a |
12 | 4b27b7959 |
13 | 27a833165 |
14 | 161b833db |
15 | c646a366 |
hex | 7e7ba395 |
2122032021 has 16 divisors (see below), whose sum is σ = 2997259200. Its totient is φ = 1330827008.
The previous prime is 2122032007. The next prime is 2122032023. The reversal of 2122032021 is 1202302212.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 2122032021 - 27 = 2122031893 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2122032023) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110395 + ... + 128183.
It is an arithmetic number, because the mean of its divisors is an integer number (187328700).
Almost surely, 22122032021 is an apocalyptic number.
It is an amenable number.
2122032021 is a deficient number, since it is larger than the sum of its proper divisors (875227179).
2122032021 is a wasteful number, since it uses less digits than its factorization.
2122032021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20148.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 2122032021 is about 46065.5187857469. The cubic root of 2122032021 is about 1285.0419666632.
Adding to 2122032021 its reverse (1202302212), we get a palindrome (3324334233).
The spelling of 2122032021 in words is "two billion, one hundred twenty-two million, thirty-two thousand, twenty-one".
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