Base | Representation |
---|---|
bin | 10101100001100110… |
… | …001000010111111001 |
3 | 2012122201201112111200 |
4 | 111201212020113321 |
5 | 334313212102301 |
6 | 14341223044413 |
7 | 1445512435005 |
oct | 254146102771 |
9 | 65581645450 |
10 | 23112222201 |
11 | 9890279692 |
12 | 45902a0709 |
13 | 22443c1b33 |
14 | 1193781705 |
15 | 9040cac86 |
hex | 5619885f9 |
23112222201 has 6 divisors (see below), whose sum is σ = 33384320970. Its totient is φ = 15408148128.
The previous prime is 23112222169. The next prime is 23112222227. The reversal of 23112222201 is 10222221132.
23112222201 is a `hidden beast` number, since 231 + 12 + 222 + 201 = 666.
It can be written as a sum of positive squares in only one way, i.e., 20214014976 + 2898207225 = 142176^2 + 53835^2 .
It is not a de Polignac number, because 23112222201 - 25 = 23112222169 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23112222401) 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 5 ways as a sum of consecutive naturals, for example, 1284012336 + ... + 1284012353.
It is an arithmetic number, because the mean of its divisors is an integer number (5564053495).
Almost surely, 223112222201 is an apocalyptic number.
It is an amenable number.
23112222201 is a deficient number, since it is larger than the sum of its proper divisors (10272098769).
23112222201 is a wasteful number, since it uses less digits than its factorization.
23112222201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2568024695 (or 2568024692 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 23112222201 its reverse (10222221132), we get a palindrome (33334443333).
The spelling of 23112222201 in words is "twenty-three billion, one hundred twelve million, two hundred twenty-two thousand, two hundred one".
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