Base | Representation |
---|---|
bin | 111101001011011… |
… | …0101110111010101 |
3 | 12022001201110101110 |
4 | 1322112311313111 |
5 | 13201004330044 |
6 | 535410445233 |
7 | 101604403260 |
oct | 17226656725 |
9 | 5261643343 |
10 | 2052808149 |
11 | 963836167 |
12 | 493593819 |
13 | 2693a69a2 |
14 | 1568c3cd7 |
15 | c03446b9 |
hex | 7a5b5dd5 |
2052808149 has 12 divisors (see below), whose sum is σ = 3128405024. Its totient is φ = 1172914584.
The previous prime is 2052808141. The next prime is 2052808151. The reversal of 2052808149 is 9418082502.
It is not a de Polignac number, because 2052808149 - 23 = 2052808141 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2052808141) 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, 202684 + ... + 212570.
Almost surely, 22052808149 is an apocalyptic number.
It is an amenable number.
2052808149 is a deficient number, since it is larger than the sum of its proper divisors (1075596875).
2052808149 is an frugal number, since it uses more digits than its factorization.
2052808149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19784 (or 9897 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 39.
The square root of 2052808149 is about 45307.9258960284. The cubic root of 2052808149 is about 1270.9138748527.
The spelling of 2052808149 in words is "two billion, fifty-two million, eight hundred eight thousand, one hundred forty-nine".
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