Base | Representation |
---|---|
bin | 111110110101100… |
… | …1110011001001001 |
3 | 12102221111001010100 |
4 | 1331223032121021 |
5 | 13304232430040 |
6 | 545120040013 |
7 | 103151545116 |
oct | 17553163111 |
9 | 5387431110 |
10 | 2108483145 |
11 | 99220265a |
12 | 4aa163009 |
13 | 277a9b182 |
14 | 16005790d |
15 | c5190b30 |
hex | 7dace649 |
2108483145 has 12 divisors (see below), whose sum is σ = 3654704196. Its totient is φ = 1124524320.
The previous prime is 2108483137. The next prime is 2108483149. The reversal of 2108483145 is 5413848012.
It can be written as a sum of positive squares in 2 ways, for example, as 1678377024 + 430106121 = 40968^2 + 20739^2 .
It is not a de Polignac number, because 2108483145 - 23 = 2108483137 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2108483149) 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, 23427546 + ... + 23427635.
It is an arithmetic number, because the mean of its divisors is an integer number (304558683).
Almost surely, 22108483145 is an apocalyptic number.
It is an amenable number.
2108483145 is a deficient number, since it is larger than the sum of its proper divisors (1546221051).
2108483145 is a wasteful number, since it uses less digits than its factorization.
2108483145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46855192 (or 46855189 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 36.
The square root of 2108483145 is about 45918.2223632405. Note that the first 3 decimals coincide. The cubic root of 2108483145 is about 1282.3011877904.
The spelling of 2108483145 in words is "two billion, one hundred eight million, four hundred eighty-three thousand, one hundred forty-five".
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