Base | Representation |
---|---|
bin | 110110000111001… |
… | …1110011100011001 |
3 | 11200112121211211221 |
4 | 1230032132130121 |
5 | 12204311442131 |
6 | 500101252041 |
7 | 62665325152 |
oct | 15416363431 |
9 | 4615554757 |
10 | 1815734041 |
11 | 851a30950 |
12 | 428104021 |
13 | 22c23b854 |
14 | 133210929 |
15 | a9615411 |
hex | 6c39e719 |
1815734041 has 16 divisors (see below), whose sum is σ = 2042369280. Its totient is φ = 1599713280.
The previous prime is 1815734009. The next prime is 1815734071. The reversal of 1815734041 is 1404375181.
It is not a de Polignac number, because 1815734041 - 25 = 1815734009 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1815733988 and 1815734006.
It is not an unprimeable number, because it can be changed into a prime (1815734071) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 95920 + ... + 113278.
It is an arithmetic number, because the mean of its divisors is an integer number (127648080).
Almost surely, 21815734041 is an apocalyptic number.
1815734041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1815734041 is a deficient number, since it is larger than the sum of its proper divisors (226635239).
1815734041 is a wasteful number, since it uses less digits than its factorization.
1815734041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17664.
The product of its (nonzero) digits is 13440, while the sum is 34.
The square root of 1815734041 is about 42611.4308724783. The cubic root of 1815734041 is about 1219.9744778769.
The spelling of 1815734041 in words is "one billion, eight hundred fifteen million, seven hundred thirty-four thousand, forty-one".
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