Base | Representation |
---|---|
bin | 10010101010100111… |
… | …11011011001110001 |
3 | 221212101200211020102 |
4 | 21111103323121301 |
5 | 131010413101001 |
6 | 4334221322145 |
7 | 503222660450 |
oct | 112523733161 |
9 | 27771624212 |
10 | 10021222001 |
11 | 428279a45a |
12 | 1b38106355 |
13 | c3920ab7b |
14 | 6b0cc8b97 |
15 | 3d9ba0e6b |
hex | 2554fb671 |
10021222001 has 8 divisors (see below), whose sum is σ = 11483046720. Its totient is φ = 8566952688.
The previous prime is 10021221979. The next prime is 10021222027. The reversal of 10021222001 is 10022212001.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10021222001 - 214 = 10021205617 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10021222201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1886006 + ... + 1891311.
It is an arithmetic number, because the mean of its divisors is an integer number (1435380840).
Almost surely, 210021222001 is an apocalyptic number.
It is an amenable number.
10021222001 is a deficient number, since it is larger than the sum of its proper divisors (1461824719).
10021222001 is an equidigital number, since it uses as much as digits as its factorization.
10021222001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3777703.
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 10021222001 its reverse (10022212001), we get a palindrome (20043434002).
The spelling of 10021222001 in words is "ten billion, twenty-one million, two hundred twenty-two thousand, one".
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