Base | Representation |
---|---|
bin | 111110101111010… |
… | …0001011011110001 |
3 | 12102201012212101110 |
4 | 1331132201123301 |
5 | 13302404401030 |
6 | 544520423533 |
7 | 103111336035 |
oct | 17536413361 |
9 | 5381185343 |
10 | 2105153265 |
11 | 990338896 |
12 | 4a9017ba9 |
13 | 2771a3627 |
14 | 15d82c1c5 |
15 | c4c341b0 |
hex | 7d7a16f1 |
2105153265 has 32 divisors (see below), whose sum is σ = 3642278400. Its totient is φ = 1034215424.
The previous prime is 2105153263. The next prime is 2105153291. The reversal of 2105153265 is 5623515012.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 2105153265 - 21 = 2105153263 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2105153263) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75840 + ... + 99809.
It is an arithmetic number, because the mean of its divisors is an integer number (113821200).
Almost surely, 22105153265 is an apocalyptic number.
It is an amenable number.
2105153265 is a deficient number, since it is larger than the sum of its proper divisors (1537125135).
2105153265 is a wasteful number, since it uses less digits than its factorization.
2105153265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 175721.
The product of its (nonzero) digits is 9000, while the sum is 30.
The square root of 2105153265 is about 45881.9492284275. The cubic root of 2105153265 is about 1281.6257956483.
Adding to 2105153265 its reverse (5623515012), we get a palindrome (7728668277).
The spelling of 2105153265 in words is "two billion, one hundred five million, one hundred fifty-three thousand, two hundred sixty-five".
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