Base | Representation |
---|---|
bin | 111000111101011111… |
… | …1010010000100100000 |
3 | 102200201212100111221200 |
4 | 1301322333102010200 |
5 | 4001004024244403 |
6 | 132105535321200 |
7 | 11560160020101 |
oct | 1617277220440 |
9 | 380655314850 |
10 | 122322493728 |
11 | 4797094a026 |
12 | 1b859680200 |
13 | b6c5406a06 |
14 | 5cc598c3a8 |
15 | 32add1bca3 |
hex | 1c7afd2120 |
122322493728 has 162 divisors, whose sum is σ = 358153162731. Its totient is φ = 39600935424.
The previous prime is 122322493723. The next prime is 122322493801. The reversal of 122322493728 is 827394223221.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
122322493728 is a `hidden beast` number, since 1 + 2 + 2 + 32 + 249 + 372 + 8 = 666.
122322493728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 5 ways, for example, as 57548171664 + 64774322064 = 239892^2 + 254508^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=247308.
It is not an unprimeable number, because it can be changed into a prime (122322493723) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 219609226 + ... + 219609782.
Almost surely, 2122322493728 is an apocalyptic number.
122322493728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122322493728
122322493728 is an abundant number, since it is smaller than the sum of its proper divisors (235830669003).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122322493728 is an frugal number, since it uses more digits than its factorization.
122322493728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1204 (or 599 counting only the distinct ones).
The product of its digits is 580608, while the sum is 45.
It can be divided in two parts, 122322493 and 728, that added together give a palindrome (122323221).
The spelling of 122322493728 in words is "one hundred twenty-two billion, three hundred twenty-two million, four hundred ninety-three thousand, seven hundred twenty-eight".
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