Base | Representation |
---|---|
bin | 1011100111011011… |
… | …0110011110100000 |
3 | 22001022101010200211 |
4 | 2321312312132200 |
5 | 22341222220442 |
6 | 1233225023504 |
7 | 140161645525 |
oct | 27166663640 |
9 | 8038333624 |
10 | 3118163872 |
11 | 136013873a |
12 | 730324b94 |
13 | 3a90177a5 |
14 | 2181a514c |
15 | 133b35617 |
hex | b9db67a0 |
3118163872 has 48 divisors (see below), whose sum is σ = 6521407200. Its totient is φ = 1463443200.
The previous prime is 3118163869. The next prime is 3118163879. The reversal of 3118163872 is 2783618113.
It is not an unprimeable number, because it can be changed into a prime (3118163879) 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, 42747 + ... + 89797.
It is an arithmetic number, because the mean of its divisors is an integer number (135862650).
Almost surely, 23118163872 is an apocalyptic number.
3118163872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3118163872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3260703600).
3118163872 is an abundant number, since it is smaller than the sum of its proper divisors (3403243328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3118163872 is a wasteful number, since it uses less digits than its factorization.
3118163872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47189 (or 47181 counting only the distinct ones).
The product of its digits is 48384, while the sum is 40.
The square root of 3118163872 is about 55840.5217740665. The cubic root of 3118163872 is about 1460.9420129485.
The spelling of 3118163872 in words is "three billion, one hundred eighteen million, one hundred sixty-three thousand, eight hundred seventy-two".
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