Base | Representation |
---|---|
bin | 100000001101100… |
… | …0111110101101000 |
3 | 2210022210221221202 |
4 | 1000123013311220 |
5 | 4203144224231 |
6 | 255130223332 |
7 | 35533042322 |
oct | 10033076550 |
9 | 2708727852 |
10 | 1080851816 |
11 | 505126a70 |
12 | 261b84b48 |
13 | 142c081b5 |
14 | a3796612 |
15 | 64d525cb |
hex | 406c7d68 |
1080851816 has 32 divisors (see below), whose sum is σ = 2214902880. Its totient is φ = 490392000.
The previous prime is 1080851771. The next prime is 1080851819. The reversal of 1080851816 is 6181580801.
It is a self number, because there is not a number n which added to its sum of digits gives 1080851816.
It is not an unprimeable number, because it can be changed into a prime (1080851819) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37991 + ... + 60041.
It is an arithmetic number, because the mean of its divisors is an integer number (69215715).
Almost surely, 21080851816 is an apocalyptic number.
It is an amenable number.
1080851816 is an abundant number, since it is smaller than the sum of its proper divisors (1134051064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1080851816 is a wasteful number, since it uses less digits than its factorization.
1080851816 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22625 (or 22621 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 38.
The square root of 1080851816 is about 32876.3108635990. The cubic root of 1080851816 is about 1026.2552350604.
It can be divided in two parts, 108085 and 1816, that added together give a palindrome (109901).
The spelling of 1080851816 in words is "one billion, eighty million, eight hundred fifty-one thousand, eight hundred sixteen".
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