Base | Representation |
---|---|
bin | 1110001100111110001… |
… | …0111110010001010000 |
3 | 212022210210110110120002 |
4 | 3203033202332101100 |
5 | 12444203024021430 |
6 | 304031523305132 |
7 | 23425360436330 |
oct | 3431742762120 |
9 | 768723413502 |
10 | 244000220240 |
11 | 94530843987 |
12 | 3b35721b1a8 |
13 | 1a01706c45a |
14 | bb49a5d0c0 |
15 | 6531226845 |
hex | 38cf8be450 |
244000220240 has 80 divisors (see below), whose sum is σ = 651601747200. Its totient is φ = 83236792320.
The previous prime is 244000220201. The next prime is 244000220249. The reversal of 244000220240 is 42022000442.
244000220240 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×2440002202402 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (244000220249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 983321 + ... + 1206200.
It is an arithmetic number, because the mean of its divisors is an integer number (8145021840).
Almost surely, 2244000220240 is an apocalyptic number.
244000220240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
244000220240 is an abundant number, since it is smaller than the sum of its proper divisors (407601526960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
244000220240 is a wasteful number, since it uses less digits than its factorization.
244000220240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2189740 (or 2189734 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 20.
Adding to 244000220240 its reverse (42022000442), we get a palindrome (286022220682).
The spelling of 244000220240 in words is "two hundred forty-four billion, two hundred twenty thousand, two hundred forty".
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