Base | Representation |
---|---|
bin | 111110101101011… |
… | …0000111111000101 |
3 | 12102122100211101120 |
4 | 1331122300333011 |
5 | 13302131342024 |
6 | 544443344153 |
7 | 103100064501 |
oct | 17532607705 |
9 | 5378324346 |
10 | 2104168389 |
11 | 98a825944 |
12 | 4a8822059 |
13 | 276c1a26b |
14 | 15d653301 |
15 | c4adc479 |
hex | 7d6b0fc5 |
2104168389 has 16 divisors (see below), whose sum is σ = 2863703040. Its totient is φ = 1373883120.
The previous prime is 2104168361. The next prime is 2104168453. The reversal of 2104168389 is 9838614012.
It is not a de Polignac number, because 2104168389 - 213 = 2104160197 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2104168389.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2104168309) 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 15 ways as a sum of consecutive naturals, for example, 26034 + ... + 69900.
It is an arithmetic number, because the mean of its divisors is an integer number (178981440).
Almost surely, 22104168389 is an apocalyptic number.
It is an amenable number.
2104168389 is a deficient number, since it is larger than the sum of its proper divisors (759534651).
2104168389 is a wasteful number, since it uses less digits than its factorization.
2104168389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44200.
The product of its (nonzero) digits is 82944, while the sum is 42.
The square root of 2104168389 is about 45871.2152553211. The cubic root of 2104168389 is about 1281.4258989785.
The spelling of 2104168389 in words is "two billion, one hundred four million, one hundred sixty-eight thousand, three hundred eighty-nine".
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