Base | Representation |
---|---|
bin | 1111000011111001… |
… | …00101101110110000 |
3 | 202212111201100020020 |
4 | 13201330211232300 |
5 | 113024421132310 |
6 | 3414201043440 |
7 | 404241343410 |
oct | 74174455660 |
9 | 22774640206 |
10 | 8085724080 |
11 | 347a1a91a5 |
12 | 1697a86580 |
13 | 9bb228a25 |
14 | 569c20640 |
15 | 324cd0170 |
hex | 1e1f25bb0 |
8085724080 has 80 divisors (see below), whose sum is σ = 28646571264. Its totient is φ = 1848165120.
The previous prime is 8085724063. The next prime is 8085724091. The reversal of 8085724080 is 804275808.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2404786 + ... + 2408145.
Almost surely, 28085724080 is an apocalyptic number.
8085724080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
8085724080 is an abundant number, since it is smaller than the sum of its proper divisors (20560847184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8085724080 is a wasteful number, since it uses less digits than its factorization.
8085724080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4812954 (or 4812948 counting only the distinct ones).
The product of its (nonzero) digits is 143360, while the sum is 42.
The square root of 8085724080 is about 89920.6543570497. The cubic root of 8085724080 is about 2007.1183081208.
Adding to 8085724080 its reverse (804275808), we get a palindrome (8889999888).
The spelling of 8085724080 in words is "eight billion, eighty-five million, seven hundred twenty-four thousand, eighty".
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