Base | Representation |
---|---|
bin | 111110101111101… |
… | …1110100101100000 |
3 | 12102201200120222110 |
4 | 1331133132211200 |
5 | 13302440404434 |
6 | 544530035320 |
7 | 103113431223 |
oct | 17537364540 |
9 | 5381616873 |
10 | 2105403744 |
11 | 990499aa4 |
12 | 4a9118b40 |
13 | 277260642 |
14 | 15d8955ba |
15 | c4c834e9 |
hex | 7d7de960 |
2105403744 has 24 divisors (see below), whose sum is σ = 5526685080. Its totient is φ = 701801216.
The previous prime is 2105403733. The next prime is 2105403763. The reversal of 2105403744 is 4473045012.
It is a tau number, because it is divible by the number of its divisors (24).
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 10965549 + ... + 10965740.
It is an arithmetic number, because the mean of its divisors is an integer number (230278545).
Almost surely, 22105403744 is an apocalyptic number.
2105403744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
2105403744 is an abundant number, since it is smaller than the sum of its proper divisors (3421281336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2105403744 is a wasteful number, since it uses less digits than its factorization.
2105403744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21931302 (or 21931294 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 30.
The square root of 2105403744 is about 45884.6787501013. The cubic root of 2105403744 is about 1281.6766245075.
Adding to 2105403744 its reverse (4473045012), we get a palindrome (6578448756).
The spelling of 2105403744 in words is "two billion, one hundred five million, four hundred three thousand, seven hundred forty-four".
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