Base | Representation |
---|---|
bin | 100001000001110… |
… | …0000100101001111 |
3 | 2212020022012202100 |
4 | 1002003200211033 |
5 | 4232200404033 |
6 | 301544530143 |
7 | 36314452566 |
oct | 10203404517 |
9 | 2766265670 |
10 | 1108216143 |
11 | 519617211 |
12 | 26b180953 |
13 | 1487995c8 |
14 | a727abdd |
15 | 6745a513 |
hex | 420e094f |
1108216143 has 12 divisors (see below), whose sum is σ = 1602870048. Its totient is φ = 737835360.
The previous prime is 1108216133. The next prime is 1108216157. The reversal of 1108216143 is 3416128011.
It is a happy number.
It is not a de Polignac number, because 1108216143 - 26 = 1108216079 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1108216133) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74055 + ... + 87752.
It is an arithmetic number, because the mean of its divisors is an integer number (133572504).
Almost surely, 21108216143 is an apocalyptic number.
1108216143 is a deficient number, since it is larger than the sum of its proper divisors (494653905).
1108216143 is a wasteful number, since it uses less digits than its factorization.
1108216143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162574 (or 162571 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
The square root of 1108216143 is about 33289.8804894220. The cubic root of 1108216143 is about 1034.8438523800.
It can be divided in two parts, 110821 and 6143, that added together give a square (116964 = 3422).
The spelling of 1108216143 in words is "one billion, one hundred eight million, two hundred sixteen thousand, one hundred forty-three".
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