Base | Representation |
---|---|
bin | 1000011001100000011… |
… | …0111011001011101000 |
3 | 111210102112022210001111 |
4 | 2012120012323023220 |
5 | 4330444140412442 |
6 | 150141203000104 |
7 | 13265352453331 |
oct | 2063006731350 |
9 | 453375283044 |
10 | 144285872872 |
11 | 56211682939 |
12 | 23b69069034 |
13 | 107b57a624b |
14 | 6daa919288 |
15 | 3b47114b17 |
hex | 21981bb2e8 |
144285872872 has 8 divisors (see below), whose sum is σ = 270536011650. Its totient is φ = 72142936432.
The previous prime is 144285872839. The next prime is 144285872873. The reversal of 144285872872 is 278278582441.
It can be written as a sum of positive squares in only one way, i.e., 111079557796 + 33206315076 = 333286^2 + 182226^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×1442858728722 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (144285872873) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9017867047 + ... + 9017867062.
Almost surely, 2144285872872 is an apocalyptic number.
It is an amenable number.
144285872872 is a deficient number, since it is larger than the sum of its proper divisors (126250138778).
144285872872 is a wasteful number, since it uses less digits than its factorization.
144285872872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18035734115 (or 18035734111 counting only the distinct ones).
The product of its digits is 16056320, while the sum is 58.
The spelling of 144285872872 in words is "one hundred forty-four billion, two hundred eighty-five million, eight hundred seventy-two thousand, eight hundred seventy-two".
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