Base | Representation |
---|---|
bin | 1111101001010000… |
… | …11100011001000010 |
3 | 210200100121002010201 |
4 | 13310220130121002 |
5 | 114200144210200 |
6 | 3505240115414 |
7 | 415066051600 |
oct | 76450343102 |
9 | 23610532121 |
10 | 8399210050 |
11 | 3620153910 |
12 | 1764a65b6a |
13 | a3b168c9a |
14 | 599704870 |
15 | 3425a4c6a |
hex | 1f4a1c642 |
8399210050 has 72 divisors (see below), whose sum is σ = 19825315920. Its totient is φ = 2617927200.
The previous prime is 8399210047. The next prime is 8399210051. The reversal of 8399210050 is 500129938.
It is a junction number, because it is equal to n+sod(n) for n = 8399209991 and 8399210009.
It is not an unprimeable number, because it can be changed into a prime (8399210051) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 128880 + ... + 182779.
It is an arithmetic number, because the mean of its divisors is an integer number (275351610).
Almost surely, 28399210050 is an apocalyptic number.
8399210050 is an abundant number, since it is smaller than the sum of its proper divisors (11426105870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8399210050 is a wasteful number, since it uses less digits than its factorization.
8399210050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 311696 (or 311684 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 37.
The square root of 8399210050 is about 91647.2042672334. The cubic root of 8399210050 is about 2032.7289892272.
Adding to 8399210050 its reverse (500129938), we get a palindrome (8899339988).
The spelling of 8399210050 in words is "eight billion, three hundred ninety-nine million, two hundred ten thousand, fifty".
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