Base | Representation |
---|---|
bin | 111110101111010… |
… | …0011001010100010 |
3 | 12102201020020010000 |
4 | 1331132203022202 |
5 | 13302410112404 |
6 | 544520520430 |
7 | 103111365513 |
oct | 17536431242 |
9 | 5381206100 |
10 | 2105160354 |
11 | 990343150 |
12 | 4a9020116 |
13 | 2771a691b |
14 | 15d830a0a |
15 | c4c36339 |
hex | 7d7a32a2 |
2105160354 has 80 divisors (see below), whose sum is σ = 5448728736. Its totient is φ = 600393600.
The previous prime is 2105160341. The next prime is 2105160377. The reversal of 2105160354 is 4530615012.
2105160354 is a `hidden beast` number, since 2 + 1 + 0 + 5 + 1 + 603 + 54 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
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 39 ways as a sum of consecutive naturals, for example, 4452 + ... + 65039.
Almost surely, 22105160354 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2105160354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2724364368).
2105160354 is an abundant number, since it is smaller than the sum of its proper divisors (3343568382).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2105160354 is a wasteful number, since it uses less digits than its factorization.
2105160354 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69533 (or 69524 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The square root of 2105160354 is about 45882.0264809653. The cubic root of 2105160354 is about 1281.6272342506.
Adding to 2105160354 its reverse (4530615012), we get a palindrome (6635775366).
The spelling of 2105160354 in words is "two billion, one hundred five million, one hundred sixty thousand, three hundred fifty-four".
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