Base | Representation |
---|---|
bin | 1000011001111111110… |
… | …0111011111010111001 |
3 | 111210202200221201101010 |
4 | 2012133330323322321 |
5 | 4331231333102220 |
6 | 150202223344133 |
7 | 13301541154650 |
oct | 2063774737271 |
9 | 453680851333 |
10 | 144417472185 |
11 | 562799973a8 |
12 | 23ba5152049 |
13 | 10806b3196c |
14 | 6dc01b4197 |
15 | 3b5395c1e0 |
hex | 219ff3beb9 |
144417472185 has 64 divisors (see below), whose sum is σ = 272892985344. Its totient is φ = 63820224000.
The previous prime is 144417472169. The next prime is 144417472189. The reversal of 144417472185 is 581274714441.
It is not a de Polignac number, because 144417472185 - 24 = 144417472169 is a prime.
It is not an unprimeable number, because it can be changed into a prime (144417472189) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3026260 + ... + 3073610.
It is an arithmetic number, because the mean of its divisors is an integer number (4263952896).
Almost surely, 2144417472185 is an apocalyptic number.
144417472185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
144417472185 is a deficient number, since it is larger than the sum of its proper divisors (128475513159).
144417472185 is a wasteful number, since it uses less digits than its factorization.
144417472185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48334.
The product of its digits is 1003520, while the sum is 48.
The spelling of 144417472185 in words is "one hundred forty-four billion, four hundred seventeen million, four hundred seventy-two thousand, one hundred eighty-five".
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