Base | Representation |
---|---|
bin | 1000011011100110101… |
… | …1001011001111101011 |
3 | 111211212202222211010220 |
4 | 2012321223023033223 |
5 | 4333122322231404 |
6 | 150313121141123 |
7 | 13315331250312 |
oct | 2067153131753 |
9 | 454782884126 |
10 | 144849023979 |
11 | 56480552680 |
12 | 240a578a7a3 |
13 | 1087536c65a |
14 | 702162d279 |
15 | 3b7b7a44d9 |
hex | 21b9acb3eb |
144849023979 has 96 divisors (see below), whose sum is σ = 229701288960. Its totient is φ = 80254540800.
The previous prime is 144849023959. The next prime is 144849023983. The reversal of 144849023979 is 979320948441.
It is not a de Polignac number, because 144849023979 - 212 = 144849019883 is a prime.
It is not an unprimeable number, because it can be changed into a prime (144849023959) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 253675764 + ... + 253676334.
It is an arithmetic number, because the mean of its divisors is an integer number (2392721760).
Almost surely, 2144849023979 is an apocalyptic number.
144849023979 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
144849023979 is a deficient number, since it is larger than the sum of its proper divisors (84852264981).
144849023979 is a wasteful number, since it uses less digits than its factorization.
144849023979 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 841 (or 744 counting only the distinct ones).
The product of its (nonzero) digits is 15676416, while the sum is 60.
The spelling of 144849023979 in words is "one hundred forty-four billion, eight hundred forty-nine million, twenty-three thousand, nine hundred seventy-nine".
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