Base | Representation |
---|---|
bin | 1010011110100110100… |
… | …1100110000010000001 |
3 | 122012122110110010012202 |
4 | 2213221221212002001 |
5 | 10422131443413040 |
6 | 214410325202545 |
7 | 16001622546053 |
oct | 2475151460201 |
9 | 565573403182 |
10 | 180013654145 |
11 | 6a3860187a6 |
12 | 2aa7a260455 |
13 | 13c8a715420 |
14 | 89d99518d3 |
15 | 4a38a04015 |
hex | 29e9a66081 |
180013654145 has 32 divisors (see below), whose sum is σ = 242933935104. Its totient is φ = 127055808000.
The previous prime is 180013654111. The next prime is 180013654157. The reversal of 180013654145 is 541456310081.
It is not a de Polignac number, because 180013654145 - 28 = 180013653889 is a prime.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 180013654099 and 180013654108.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1929320 + ... + 2020470.
It is an arithmetic number, because the mean of its divisors is an integer number (7591685472).
Almost surely, 2180013654145 is an apocalyptic number.
It is an amenable number.
180013654145 is a deficient number, since it is larger than the sum of its proper divisors (62920280959).
180013654145 is a wasteful number, since it uses less digits than its factorization.
180013654145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92513.
The product of its (nonzero) digits is 57600, while the sum is 38.
The spelling of 180013654145 in words is "one hundred eighty billion, thirteen million, six hundred fifty-four thousand, one hundred forty-five".
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