Base | Representation |
---|---|
bin | 100111100001111000… |
… | …100101010011011010 |
3 | 11001120000122112112210 |
4 | 213201320211103122 |
5 | 1143411232141442 |
6 | 31255415015550 |
7 | 3031545356520 |
oct | 474170452332 |
9 | 131500575483 |
10 | 42444412122 |
11 | 17000845052 |
12 | 828666a5b6 |
13 | 400561b078 |
14 | 20a90ac310 |
15 | 11863d219c |
hex | 9e1e254da |
42444412122 has 64 divisors (see below), whose sum is σ = 101026252800. Its totient is φ = 11631211200.
The previous prime is 42444412111. The next prime is 42444412139. The reversal of 42444412122 is 22121444424.
42444412122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 42444412122.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68529 + ... + 299307.
It is an arithmetic number, because the mean of its divisors is an integer number (1578535200).
Almost surely, 242444412122 is an apocalyptic number.
42444412122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 42444412122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50513126400).
42444412122 is an abundant number, since it is smaller than the sum of its proper divisors (58581840678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42444412122 is a wasteful number, since it uses less digits than its factorization.
42444412122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 230971.
The product of its digits is 16384, while the sum is 30.
Adding to 42444412122 its reverse (22121444424), we get a palindrome (64565856546).
The spelling of 42444412122 in words is "forty-two billion, four hundred forty-four million, four hundred twelve thousand, one hundred twenty-two".
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