Base | Representation |
---|---|
bin | 111000110111001110… |
… | …1001010001110010111 |
3 | 102200012012200121111201 |
4 | 1301232131022032113 |
5 | 4000041212101403 |
6 | 132033024413331 |
7 | 11552024522224 |
oct | 1615635121627 |
9 | 380165617451 |
10 | 122112222103 |
11 | 47873190923 |
12 | 1b7bb177247 |
13 | b690994331 |
14 | 5ca5a9494b |
15 | 329a63421d |
hex | 1c6e74a397 |
122112222103 has 2 divisors, whose sum is σ = 122112222104. Its totient is φ = 122112222102.
The previous prime is 122112222013. The next prime is 122112222259. The reversal of 122112222103 is 301222211221.
Together with previous prime (122112222013) 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 (301222211221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 122112222103 - 29 = 122112221591 is a prime.
It is a super-2 number, since 2×1221122221032 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122712222103) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61056111051 + 61056111052.
It is an arithmetic number, because the mean of its divisors is an integer number (61056111052).
Almost surely, 2122112222103 is an apocalyptic number.
122112222103 is a deficient number, since it is larger than the sum of its proper divisors (1).
122112222103 is an equidigital number, since it uses as much as digits as its factorization.
122112222103 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 122112222103 its reverse (301222211221), we get a palindrome (423334433324).
It can be divided in two parts, 1221122 and 22103, that added together give a square (1243225 = 11152).
The spelling of 122112222103 in words is "one hundred twenty-two billion, one hundred twelve million, two hundred twenty-two thousand, one hundred three".
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