Base | Representation |
---|---|
bin | 1100000101000101… |
… | …10000001111000111 |
3 | 121201221220000111211 |
4 | 12002202300033013 |
5 | 101240142201342 |
6 | 2551302312251 |
7 | 316464401200 |
oct | 60242601707 |
9 | 17657800454 |
10 | 6485115847 |
11 | 2828751581 |
12 | 130ba28687 |
13 | 7c473c172 |
14 | 45740c5a7 |
15 | 27e510c17 |
hex | 1828b03c7 |
6485115847 has 12 divisors (see below), whose sum is σ = 7554867096. Its totient is φ = 5550597360.
The previous prime is 6485115839. The next prime is 6485115859. The reversal of 6485115847 is 7485115846.
It is not a de Polignac number, because 6485115847 - 23 = 6485115839 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (49).
It is a self number, because there is not a number n which added to its sum of digits gives 6485115847.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6485115827) 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, 61908 + ... + 129625.
It is an arithmetic number, because the mean of its divisors is an integer number (629572258).
Almost surely, 26485115847 is an apocalyptic number.
6485115847 is a deficient number, since it is larger than the sum of its proper divisors (1069751249).
6485115847 is a wasteful number, since it uses less digits than its factorization.
6485115847 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 192238 (or 192231 counting only the distinct ones).
The product of its digits is 1075200, while the sum is 49.
The square root of 6485115847 is about 80530.2169809569. The cubic root of 6485115847 is about 1864.8299956924.
Subtracting 6485115847 from its reverse (7485115846), we obtain a palindrome (999999999).
The spelling of 6485115847 in words is "six billion, four hundred eighty-five million, one hundred fifteen thousand, eight hundred forty-seven".
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