Base | Representation |
---|---|
bin | 111000110111110010… |
… | …0110011011011110010 |
3 | 102200020112000210020000 |
4 | 1301233210303123302 |
5 | 4000111014044442 |
6 | 132034535130430 |
7 | 11552343253332 |
oct | 1615744633362 |
9 | 380215023200 |
10 | 122131003122 |
11 | 47882849327 |
12 | 1b805513a16 |
13 | b69483b96b |
14 | 5ca83830c2 |
15 | 329c0e3d4c |
hex | 1c6f9336f2 |
122131003122 has 80 divisors (see below), whose sum is σ = 285864904512. Its totient is φ = 38899064160.
The previous prime is 122131003121. The next prime is 122131003123. The reversal of 122131003122 is 221300131221.
It is an interprime number because it is at equal distance from previous prime (122131003121) and next prime (122131003123).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 122131003095 and 122131003104.
It is not an unprimeable number, because it can be changed into a prime (122131003121) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3601068 + ... + 3634824.
Almost surely, 2122131003122 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122131003122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142932452256).
122131003122 is an abundant number, since it is smaller than the sum of its proper divisors (163733901390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122131003122 is a wasteful number, since it uses less digits than its factorization.
122131003122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34765 (or 34756 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 122131003122 its reverse (221300131221), we get a palindrome (343431134343).
The spelling of 122131003122 in words is "one hundred twenty-two billion, one hundred thirty-one million, three thousand, one hundred twenty-two".
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