Base | Representation |
---|---|
bin | 111000110111010000… |
… | …0111001001111100011 |
3 | 102200012021112100110201 |
4 | 1301232200321033203 |
5 | 4000041434413443 |
6 | 132033101410031 |
7 | 11552036040424 |
oct | 1615640711743 |
9 | 380167470421 |
10 | 122113201123 |
11 | 4787379a431 |
12 | 1b7bb569917 |
13 | b690c47b34 |
14 | 5ca5c6b64b |
15 | 329a77934d |
hex | 1c6e8393e3 |
122113201123 has 4 divisors (see below), whose sum is σ = 122114939688. Its totient is φ = 122111462560.
The previous prime is 122113201103. The next prime is 122113201169. The reversal of 122113201123 is 321102311221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321102311221 = 349 ⋅920063929.
It is a cyclic number.
It is not a de Polignac number, because 122113201123 - 213 = 122113192931 is a prime.
It is a super-2 number, since 2×1221132011232 (a number of 23 digits) contains 22 as substring.
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 122113201123.
It is not an unprimeable number, because it can be changed into a prime (122113201103) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759286 + ... + 905947.
It is an arithmetic number, because the mean of its divisors is an integer number (30528734922).
Almost surely, 2122113201123 is an apocalyptic number.
122113201123 is a deficient number, since it is larger than the sum of its proper divisors (1738565).
122113201123 is an equidigital number, since it uses as much as digits as its factorization.
122113201123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1738564.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 122113201123 its reverse (321102311221), we get a palindrome (443215512344).
The spelling of 122113201123 in words is "one hundred twenty-two billion, one hundred thirteen million, two hundred one thousand, one hundred twenty-three".
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