Base | Representation |
---|---|
bin | 111000110111010000… |
… | …0001000111001110001 |
3 | 102200012021011021212022 |
4 | 1301232200020321301 |
5 | 4000041412044441 |
6 | 132033053241225 |
7 | 11552034254234 |
oct | 1615640107161 |
9 | 380167137768 |
10 | 122113003121 |
11 | 4787367469a |
12 | 1b7bb493215 |
13 | b690ba8985 |
14 | 5ca5c1941b |
15 | 329a73a84b |
hex | 1c6e808e71 |
122113003121 has 4 divisors (see below), whose sum is σ = 122162665200. Its totient is φ = 122063341044.
The previous prime is 122113003109. The next prime is 122113003151. The reversal of 122113003121 is 121300311221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121300311221 = 5531 ⋅21930991.
It is a cyclic number.
It is not a de Polignac number, because 122113003121 - 218 = 122112740977 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 122113003121.
It is not an unprimeable number, because it can be changed into a prime (122113003151) 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 3 ways as a sum of consecutive naturals, for example, 24827351 + ... + 24832268.
It is an arithmetic number, because the mean of its divisors is an integer number (30540666300).
Almost surely, 2122113003121 is an apocalyptic number.
It is an amenable number.
122113003121 is a deficient number, since it is larger than the sum of its proper divisors (49662079).
122113003121 is an equidigital number, since it uses as much as digits as its factorization.
122113003121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49662078.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 122113003121 its reverse (121300311221), we get a palindrome (243413314342).
The spelling of 122113003121 in words is "one hundred twenty-two billion, one hundred thirteen million, three thousand, one hundred twenty-one".
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