Base | Representation |
---|---|
bin | 1000011110111100001… |
… | …0111011011100110010 |
3 | 111221012011212211101020 |
4 | 2013233002323130302 |
5 | 4341441034140221 |
6 | 150542025120310 |
7 | 13346453220036 |
oct | 2075702733462 |
9 | 457164784336 |
10 | 145744443186 |
11 | 5689aa36351 |
12 | 242b5629096 |
13 | 10988a20cc4 |
14 | 70a85161c6 |
15 | 3bd01c8ac6 |
hex | 21ef0bb732 |
145744443186 has 16 divisors (see below), whose sum is σ = 293585930400. Its totient is φ = 48231973728.
The previous prime is 145744443167. The next prime is 145744443233. The reversal of 145744443186 is 681344447541.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87375931 + ... + 87377598.
It is an arithmetic number, because the mean of its divisors is an integer number (18349120650).
Almost surely, 2145744443186 is an apocalyptic number.
145744443186 is an abundant number, since it is smaller than the sum of its proper divisors (147841487214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145744443186 is a wasteful number, since it uses less digits than its factorization.
145744443186 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 174753673.
The product of its digits is 5160960, while the sum is 51.
The spelling of 145744443186 in words is "one hundred forty-five billion, seven hundred forty-four million, four hundred forty-three thousand, one hundred eighty-six".
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