Base | Representation |
---|---|
bin | 111000110100100000… |
… | …1101001000001001011 |
3 | 102122221212021020211101 |
4 | 1301221001221001023 |
5 | 3444344401401443 |
6 | 132020012042231 |
7 | 11546540265505 |
oct | 1615101510113 |
9 | 378855236741 |
10 | 122021122123 |
11 | 4782681908a |
12 | 1b794763377 |
13 | b677b48814 |
14 | 5c9793cd75 |
15 | 329263b84d |
hex | 1c6906904b |
122021122123 has 8 divisors (see below), whose sum is σ = 122650521840. Its totient is φ = 121391823840.
The previous prime is 122021122121. The next prime is 122021122151. The reversal of 122021122123 is 321221120221.
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 122021122123 - 21 = 122021122121 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 122021122123.
It is not an unprimeable number, because it can be changed into a prime (122021122121) 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, 4110193 + ... + 4139773.
It is an arithmetic number, because the mean of its divisors is an integer number (15331315230).
Almost surely, 2122021122123 is an apocalyptic number.
122021122123 is a deficient number, since it is larger than the sum of its proper divisors (629399717).
122021122123 is a wasteful number, since it uses less digits than its factorization.
122021122123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50717.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 122021122123 its reverse (321221120221), we get a palindrome (443242242344).
The spelling of 122021122123 in words is "one hundred twenty-two billion, twenty-one million, one hundred twenty-two thousand, one hundred twenty-three".
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