Base | Representation |
---|---|
bin | 1111010101010010… |
… | …0100001011011011 |
3 | 101121211121202111220 |
4 | 3311110210023123 |
5 | 31412121341422 |
6 | 1520224023123 |
7 | 203664541053 |
oct | 36524441333 |
9 | 11554552456 |
10 | 4115808987 |
11 | 18222a3234 |
12 | 96a461aa3 |
13 | 50790bb44 |
14 | 2b089c563 |
15 | 1914ede5c |
hex | f55242db |
4115808987 has 16 divisors (see below), whose sum is σ = 5827324032. Its totient is φ = 2575015040.
The previous prime is 4115808947. The next prime is 4115808989. The reversal of 4115808987 is 7898085114.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 4115808987 - 211 = 4115806939 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is not an unprimeable number, because it can be changed into a prime (4115808989) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98589 + ... + 133982.
It is an arithmetic number, because the mean of its divisors is an integer number (364207752).
Almost surely, 24115808987 is an apocalyptic number.
4115808987 is a deficient number, since it is larger than the sum of its proper divisors (1711515045).
4115808987 is a wasteful number, since it uses less digits than its factorization.
4115808987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 232938.
The product of its (nonzero) digits is 645120, while the sum is 51.
The square root of 4115808987 is about 64154.5710530434. The cubic root of 4115808987 is about 1602.5751483406.
The spelling of 4115808987 in words is "four billion, one hundred fifteen million, eight hundred eight thousand, nine hundred eighty-seven".
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