Base | Representation |
---|---|
bin | 10011000010011101… |
… | …10111100001110001 |
3 | 222101100000212122211 |
4 | 21201032313201301 |
5 | 131413113101001 |
6 | 4410124132121 |
7 | 511201645024 |
oct | 114116674161 |
9 | 28340025584 |
10 | 10221222001 |
11 | 4375682411 |
12 | 1b93097041 |
13 | c6b795173 |
14 | 6cd6ab1bb |
15 | 3ec50a351 |
hex | 2613b7871 |
10221222001 has 16 divisors (see below), whose sum is σ = 10920628224. Its totient is φ = 9532905984.
The previous prime is 10221221993. The next prime is 10221222013. The reversal of 10221222001 is 10022212201.
It is a happy number.
10221222001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 10221222001 - 23 = 10221221993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10221222041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2227956 + ... + 2232538.
It is an arithmetic number, because the mean of its divisors is an integer number (682539264).
Almost surely, 210221222001 is an apocalyptic number.
It is an amenable number.
10221222001 is a deficient number, since it is larger than the sum of its proper divisors (699406223).
10221222001 is a wasteful number, since it uses less digits than its factorization.
10221222001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5760.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 10221222001 its reverse (10022212201), we get a palindrome (20243434202).
The spelling of 10221222001 in words is "ten billion, two hundred twenty-one million, two hundred twenty-two thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •