Base | Representation |
---|---|
bin | 101111110011001000100110… |
… | …111010000000100101111001 |
3 | 1000120100001001010121120222222 |
4 | 233303020212322000211321 |
5 | 210023234401213323001 |
6 | 2023034413140053425 |
7 | 62165022104633042 |
oct | 5763104672004571 |
9 | 1016301033546888 |
10 | 210222122011001 |
11 | 60a8a779439891 |
12 | 1b6b2557394275 |
13 | 903bb269378b9 |
14 | 39cab3ac958c9 |
15 | 194855e63661b |
hex | bf3226e80979 |
210222122011001 has 4 divisors (see below), whose sum is σ = 210225736058100. Its totient is φ = 210218507963904.
The previous prime is 210222122010947. The next prime is 210222122011049. The reversal of 210222122011001 is 100110221222012.
210222122011001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 124182027402601 + 86040094608400 = 11143699^2 + 9275780^2 .
It is a cyclic number.
It is not a de Polignac number, because 210222122011001 - 238 = 209947244104057 is a prime.
It is a super-2 number, since 2×2102221220110012 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (210222122011061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1806936296 + ... + 1807052633.
It is an arithmetic number, because the mean of its divisors is an integer number (52556434014525).
Almost surely, 2210222122011001 is an apocalyptic number.
It is an amenable number.
210222122011001 is a deficient number, since it is larger than the sum of its proper divisors (3614047099).
210222122011001 is an equidigital number, since it uses as much as digits as its factorization.
210222122011001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3614047098.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 210222122011001 its reverse (100110221222012), we get a palindrome (310332343233013).
The spelling of 210222122011001 in words is "two hundred ten trillion, two hundred twenty-two billion, one hundred twenty-two million, eleven thousand, one".
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