Base | Representation |
---|---|
bin | 11111011011110011101… |
… | …01011110101101101001 |
3 | 10211020212200200022010121 |
4 | 33231321311132231221 |
5 | 120144001144310430 |
6 | 2144103213043241 |
7 | 141014260531126 |
oct | 17557165365551 |
9 | 3736780608117 |
10 | 1080080853865 |
11 | 387072536752 |
12 | 1553b0a86521 |
13 | 7ab0b09c580 |
14 | 3a3c1c2b74d |
15 | 1d166da6a7a |
hex | fb79d5eb69 |
1080080853865 has 16 divisors (see below), whose sum is σ = 1396311508368. Its totient is φ = 797304047616.
The previous prime is 1080080853847. The next prime is 1080080853871. The reversal of 1080080853865 is 5683580800801.
It can be written as a sum of positive squares in 8 ways, for example, as 30201921369 + 1049878932496 = 173787^2 + 1024636^2 .
It is a cyclic number.
It is not a de Polignac number, because 1080080853865 - 235 = 1045721115497 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2886064 + ... + 3238753.
It is an arithmetic number, because the mean of its divisors is an integer number (87269469273).
Almost surely, 21080080853865 is an apocalyptic number.
It is an amenable number.
1080080853865 is a deficient number, since it is larger than the sum of its proper divisors (316230654503).
1080080853865 is a wasteful number, since it uses less digits than its factorization.
1080080853865 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6127548.
The product of its (nonzero) digits is 1843200, while the sum is 52.
The spelling of 1080080853865 in words is "one trillion, eighty billion, eighty million, eight hundred fifty-three thousand, eight hundred sixty-five".
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