Base | Representation |
---|---|
bin | 101111100110011101… |
… | …0110101001111111011 |
3 | 100202212001010221012111 |
4 | 1133030322311033323 |
5 | 3133322342103311 |
6 | 114543224553151 |
7 | 10246106360545 |
oct | 1371472651773 |
9 | 322761127174 |
10 | 102222222331 |
11 | 3a396863689 |
12 | 1798a0227b7 |
13 | 9841021bb8 |
14 | 4d3a244695 |
15 | 29d4395d21 |
hex | 17cceb53fb |
102222222331 has 2 divisors, whose sum is σ = 102222222332. Its totient is φ = 102222222330.
The previous prime is 102222222313. The next prime is 102222222407. The reversal of 102222222331 is 133222222201.
Together with previous prime (102222222313) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is an emirp because it is prime and its reverse (133222222201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 102222222331 - 219 = 102221698043 is a prime.
It is a super-2 number, since 2×1022222223312 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (102222222631) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51111111165 + 51111111166.
It is an arithmetic number, because the mean of its divisors is an integer number (51111111166).
Almost surely, 2102222222331 is an apocalyptic number.
102222222331 is a deficient number, since it is larger than the sum of its proper divisors (1).
102222222331 is an equidigital number, since it uses as much as digits as its factorization.
102222222331 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 102222222331 its reverse (133222222201), we get a palindrome (235444444532).
The spelling of 102222222331 in words is "one hundred two billion, two hundred twenty-two million, two hundred twenty-two thousand, three hundred thirty-one".
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