Base | Representation |
---|---|
bin | 101111100110011101… |
… | …0110010100000100111 |
3 | 100202212001010100210221 |
4 | 1133030322302200213 |
5 | 3133322341223421 |
6 | 114543224425211 |
7 | 10246106313046 |
oct | 1371472624047 |
9 | 322761110727 |
10 | 102222211111 |
11 | 3a396856209 |
12 | 1798a018207 |
13 | 9841019a67 |
14 | 4d3a24055d |
15 | 29d4392841 |
hex | 17cceb2827 |
102222211111 has 8 divisors (see below), whose sum is σ = 105670251648. Its totient is φ = 98783580000.
The previous prime is 102222211093. The next prime is 102222211127. The reversal of 102222211111 is 111112222201.
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 102222211111 - 219 = 102221686823 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102222211151) 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, 2330260 + ... + 2373721.
It is an arithmetic number, because the mean of its divisors is an integer number (13208781456).
Almost surely, 2102222211111 is an apocalyptic number.
102222211111 is a deficient number, since it is larger than the sum of its proper divisors (3448040537).
102222211111 is an equidigital number, since it uses as much as digits as its factorization.
102222211111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4704713.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 102222211111 its reverse (111112222201), we get a palindrome (213334433312).
The spelling of 102222211111 in words is "one hundred two billion, two hundred twenty-two million, two hundred eleven thousand, one hundred eleven".
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