Base | Representation |
---|---|
bin | 100000110101111010010011… |
… | …001110000110010101110100 |
3 | 200221102112121200002111002010 |
4 | 200311322103032012111310 |
5 | 122413020131322024340 |
6 | 1231111501224444220 |
7 | 42265414603154403 |
oct | 4065722316062564 |
9 | 627375550074063 |
10 | 144442220111220 |
11 | 42029668719709 |
12 | 14249a53319670 |
13 | 6279ac5b502a5 |
14 | 279507db9163a |
15 | 11a7418717b80 |
hex | 835e93386574 |
144442220111220 has 96 divisors (see below), whose sum is σ = 406260394767360. Its totient is φ = 38344391838720.
The previous prime is 144442220111209. The next prime is 144442220111279. The reversal of 144442220111220 is 22111022244441.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 904260960 + ... + 904420680.
It is an arithmetic number, because the mean of its divisors is an integer number (4231879112160).
Almost surely, 2144442220111220 is an apocalyptic number.
144442220111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144442220111220 is an abundant number, since it is smaller than the sum of its proper divisors (261818174656140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144442220111220 is a wasteful number, since it uses less digits than its factorization.
144442220111220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 227545 (or 227543 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 30.
Adding to 144442220111220 its reverse (22111022244441), we get a palindrome (166553242355661).
The spelling of 144442220111220 in words is "one hundred forty-four trillion, four hundred forty-two billion, two hundred twenty million, one hundred eleven thousand, two hundred twenty".
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