Base | Representation |
---|---|
bin | 111110101101011… |
… | …1001001110011100 |
3 | 12102122102112200121 |
4 | 1331122321032130 |
5 | 13302133432030 |
6 | 544444204324 |
7 | 103100265055 |
oct | 17532711634 |
9 | 5378375617 |
10 | 2104202140 |
11 | 98a849237 |
12 | 4a88396a4 |
13 | 276c2c731 |
14 | 15d66172c |
15 | c4ae747a |
hex | 7d6b939c |
2104202140 has 24 divisors (see below), whose sum is σ = 4430200320. Its totient is φ = 839514048.
The previous prime is 2104202129. The next prime is 2104202147. The reversal of 2104202140 is 412024012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2104202147) 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 7 ways as a sum of consecutive naturals, for example, 127452 + ... + 143011.
It is an arithmetic number, because the mean of its divisors is an integer number (184591680).
Almost surely, 22104202140 is an apocalyptic number.
2104202140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2104202140 is an abundant number, since it is smaller than the sum of its proper divisors (2325998180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2104202140 is a wasteful number, since it uses less digits than its factorization.
2104202140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 270861 (or 270859 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 2104202140 is about 45871.5831425077. The cubic root of 2104202140 is about 1281.4327503273.
Adding to 2104202140 its reverse (412024012), we get a palindrome (2516226152).
The spelling of 2104202140 in words is "two billion, one hundred four million, two hundred two thousand, one hundred forty".
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