Base | Representation |
---|---|
bin | 1101110000000001… |
… | …01000111110111101 |
3 | 201001110210201022100 |
4 | 12320000220332331 |
5 | 110104312033114 |
6 | 3220304535313 |
7 | 350636115351 |
oct | 67000507675 |
9 | 21043721270 |
10 | 7382142909 |
11 | 3149033259 |
12 | 1520321539 |
13 | 9085345cb |
14 | 5005d3461 |
15 | 2d3151909 |
hex | 1b8028fbd |
7382142909 has 12 divisors (see below), whose sum is σ = 10676253952. Its totient is φ = 4915355400.
The previous prime is 7382142907. The next prime is 7382142919. The reversal of 7382142909 is 9092412837.
It is not a de Polignac number, because 7382142909 - 21 = 7382142907 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7382142907) 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 11 ways as a sum of consecutive naturals, for example, 498397 + ... + 512994.
Almost surely, 27382142909 is an apocalyptic number.
It is an amenable number.
7382142909 is a deficient number, since it is larger than the sum of its proper divisors (3294111043).
7382142909 is a wasteful number, since it uses less digits than its factorization.
7382142909 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1012208 (or 1012205 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 7382142909 is about 85919.3977457943. The cubic root of 7382142909 is about 1947.1264191582.
The spelling of 7382142909 in words is "seven billion, three hundred eighty-two million, one hundred forty-two thousand, nine hundred nine".
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