Base | Representation |
---|---|
bin | 111110101101101… |
… | …1100001000100101 |
3 | 12102122200210211100 |
4 | 1331123130020211 |
5 | 13302203021000 |
6 | 544451230313 |
7 | 103101431661 |
oct | 17533341045 |
9 | 5378623740 |
10 | 2104345125 |
11 | 98a936703 |
12 | 4a88a8399 |
13 | 276c7c83c |
14 | 15d69b8a1 |
15 | c4b24a00 |
hex | 7d6dc225 |
2104345125 has 96 divisors (see below), whose sum is σ = 4001568480. Its totient is φ = 1062297600.
The previous prime is 2104345097. The next prime is 2104345127. The reversal of 2104345125 is 5215434012.
2104345125 is a `hidden beast` number, since 210 + 434 + 5 + 12 + 5 = 666.
It can be written as a sum of positive squares in 16 ways, for example, as 1403101764 + 701243361 = 37458^2 + 26481^2 .
It is not a de Polignac number, because 2104345125 - 27 = 2104344997 is a prime.
It is a super-2 number, since 2×21043451252 = 8856536810222531250, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2104345127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1728517 + ... + 1729733.
It is an arithmetic number, because the mean of its divisors is an integer number (41683005).
Almost surely, 22104345125 is an apocalyptic number.
2104345125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2104345125 is a deficient number, since it is larger than the sum of its proper divisors (1897223355).
2104345125 is a wasteful number, since it uses less digits than its factorization.
2104345125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1320 (or 1307 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The square root of 2104345125 is about 45873.1416517334. The cubic root of 2104345125 is about 1281.4617750279.
Adding to 2104345125 its reverse (5215434012), we get a palindrome (7319779137).
The spelling of 2104345125 in words is "two billion, one hundred four million, three hundred forty-five thousand, one hundred twenty-five".
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