Base | Representation |
---|---|
bin | 111000111001111000… |
… | …0010010010110011001 |
3 | 102200102101222012111221 |
4 | 1301303300102112121 |
5 | 4000231441402301 |
6 | 132045522052041 |
7 | 11554154254204 |
oct | 1616360222631 |
9 | 380371865457 |
10 | 122201122201 |
11 | 47909390884 |
12 | 1b824aaa021 |
13 | b6a621c742 |
14 | 5cb37d693b |
15 | 32a3344da1 |
hex | 1c73c12599 |
122201122201 has 8 divisors (see below), whose sum is σ = 123424508808. Its totient is φ = 120978000000.
The previous prime is 122201122193. The next prime is 122201122237. The reversal of 122201122201 is 102221102221.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 114271041600 + 7930080601 = 338040^2 + 89051^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122201122201 - 23 = 122201122193 is a prime.
It is a super-2 number, since 2×1222011222012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122201122291) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938901 + ... + 1061101.
It is an arithmetic number, because the mean of its divisors is an integer number (15428063601).
Almost surely, 2122201122201 is an apocalyptic number.
It is an amenable number.
122201122201 is a deficient number, since it is larger than the sum of its proper divisors (1223386607).
122201122201 is a wasteful number, since it uses less digits than its factorization.
122201122201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 132203.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 122201122201 its reverse (102221102221), we get a palindrome (224422224422).
The spelling of 122201122201 in words is "one hundred twenty-two billion, two hundred one million, one hundred twenty-two thousand, two hundred one".
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