Base | Representation |
---|---|
bin | 1000010111010111111111… |
… | …10101111100111100101010 |
3 | 2102010120121000220002100110 |
4 | 10023223333311330330222 |
5 | 4402342130111413301 |
6 | 103042411550315150 |
7 | 3606006505413300 |
oct | 413537765747452 |
9 | 72116530802313 |
10 | 18395342294826 |
11 | 595246a183832 |
12 | 2091182ab8ab6 |
13 | a3589a418143 |
14 | 4784a7132270 |
15 | 21d7899110d6 |
hex | 10baffd7cf2a |
18395342294826 has 96 divisors (see below), whose sum is σ = 45062740800000. Its totient is φ = 4977762074208.
The previous prime is 18395342294821. The next prime is 18395342294831. The reversal of 18395342294826 is 62849224359381.
It is an interprime number because it is at equal distance from previous prime (18395342294821) and next prime (18395342294831).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (18395342294821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19074835 + ... + 20015993.
It is an arithmetic number, because the mean of its divisors is an integer number (469403550000).
Almost surely, 218395342294826 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18395342294826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22531370400000).
18395342294826 is an abundant number, since it is smaller than the sum of its proper divisors (26667398505174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18395342294826 is a wasteful number, since it uses less digits than its factorization.
18395342294826 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 944696 (or 944689 counting only the distinct ones).
The product of its digits is 179159040, while the sum is 66.
The spelling of 18395342294826 in words is "eighteen trillion, three hundred ninety-five billion, three hundred forty-two million, two hundred ninety-four thousand, eight hundred twenty-six".
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