Base | Representation |
---|---|
bin | 1101010000001110… |
… | …00010101110101000 |
3 | 200100212212001022020 |
4 | 12220013002232220 |
5 | 104033014321033 |
6 | 3134015224440 |
7 | 341216531631 |
oct | 65007025650 |
9 | 20325761266 |
10 | 7115385768 |
11 | 30214a4707 |
12 | 1466b18120 |
13 | 8951a584a |
14 | 4b6dd4888 |
15 | 2b9a0c6b3 |
hex | 1a81c2ba8 |
7115385768 has 96 divisors (see below), whose sum is σ = 18937380960. Its totient is φ = 2227440640.
The previous prime is 7115385743. The next prime is 7115385779. The reversal of 7115385768 is 8675835117.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a self number, because there is not a number n which added to its sum of digits gives 7115385768.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4528423 + ... + 4529993.
It is an arithmetic number, because the mean of its divisors is an integer number (197264385).
Almost surely, 27115385768 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7115385768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9468690480).
7115385768 is an abundant number, since it is smaller than the sum of its proper divisors (11821995192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7115385768 is a wasteful number, since it uses less digits than its factorization.
7115385768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2267 (or 2246 counting only the distinct ones).
The product of its digits is 1411200, while the sum is 51.
The square root of 7115385768 is about 84352.7460608130. The cubic root of 7115385768 is about 1923.3846700228.
The spelling of 7115385768 in words is "seven billion, one hundred fifteen million, three hundred eighty-five thousand, seven hundred sixty-eight".
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