Base | Representation |
---|---|
bin | 11101001000101101101… |
… | …00011011010011000101 |
3 | 10112201001002111112210011 |
4 | 32210112310123103011 |
5 | 112400233204101041 |
6 | 2043523110230221 |
7 | 132220305324640 |
oct | 16442664332305 |
9 | 3481032445704 |
10 | 1001110222021 |
11 | 356628692158 |
12 | 142031955371 |
13 | 735342b8150 |
14 | 3664da86a57 |
15 | 1b093e6ae81 |
hex | e916d1b4c5 |
1001110222021 has 16 divisors (see below), whose sum is σ = 1232159958400. Its totient is φ = 792071587008.
The previous prime is 1001110222019. The next prime is 1001110222027. The reversal of 1001110222021 is 1202220111001.
1001110222021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1001110222021 - 21 = 1001110222019 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a junction number, because it is equal to n+sod(n) for n = 1001110221992 and 1001110222010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1001110222027) 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, 7282795 + ... + 7418983.
It is an arithmetic number, because the mean of its divisors is an integer number (77009997400).
Almost surely, 21001110222021 is an apocalyptic number.
It is an amenable number.
1001110222021 is a deficient number, since it is larger than the sum of its proper divisors (231049736379).
1001110222021 is a wasteful number, since it uses less digits than its factorization.
1001110222021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216988.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 1001110222021 its reverse (1202220111001), we get a palindrome (2203330333022).
The spelling of 1001110222021 in words is "one trillion, one billion, one hundred ten million, two hundred twenty-two thousand, twenty-one".
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