Base | Representation |
---|---|
bin | 110101101001111010… |
… | …1100000111100011010 |
3 | 102000102002201112210000 |
4 | 1223103311200330122 |
5 | 3341434112431332 |
6 | 124533252233430 |
7 | 11216223535533 |
oct | 1532365407432 |
9 | 360362645700 |
10 | 115223170842 |
11 | 4495852672a |
12 | 1a3b800b876 |
13 | ab33666540 |
14 | 5810b7968a |
15 | 2ee5933b7c |
hex | 1ad3d60f1a |
115223170842 has 160 divisors (see below), whose sum is σ = 282172968000. Its totient is φ = 34929480960.
The previous prime is 115223170837. The next prime is 115223170859. The reversal of 115223170842 is 248071322511.
It is a junction number, because it is equal to n+sod(n) for n = 115223170797 and 115223170806.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 87223542 + ... + 87224862.
It is an arithmetic number, because the mean of its divisors is an integer number (1763581050).
Almost surely, 2115223170842 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 115223170842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141086484000).
115223170842 is an abundant number, since it is smaller than the sum of its proper divisors (166949797158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115223170842 is a wasteful number, since it uses less digits than its factorization.
115223170842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1930 (or 1921 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The spelling of 115223170842 in words is "one hundred fifteen billion, two hundred twenty-three million, one hundred seventy thousand, eight hundred forty-two".
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