Base | Representation |
---|---|
bin | 111101000000011… |
… | …1101010010011011 |
3 | 12021122221000000210 |
4 | 1322000331102123 |
5 | 13143022241022 |
6 | 535043502203 |
7 | 101504551104 |
oct | 17200752233 |
9 | 5248830023 |
10 | 2047071387 |
11 | 960578039 |
12 | 491687963 |
13 | 26814875a |
14 | 155c2d3ab |
15 | beaaea0c |
hex | 7a03d49b |
2047071387 has 16 divisors (see below), whose sum is σ = 2748695040. Its totient is φ = 1355104032.
The previous prime is 2047071359. The next prime is 2047071427. The reversal of 2047071387 is 7831707402.
2047071387 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2047071387 - 219 = 2046547099 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2047070387) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425598 + ... + 430380.
It is an arithmetic number, because the mean of its divisors is an integer number (171793440).
Almost surely, 22047071387 is an apocalyptic number.
2047071387 is a deficient number, since it is larger than the sum of its proper divisors (701623653).
2047071387 is a wasteful number, since it uses less digits than its factorization.
2047071387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5762.
The product of its (nonzero) digits is 65856, while the sum is 39.
The square root of 2047071387 is about 45244.5730115779. The cubic root of 2047071387 is about 1269.7288748944.
Adding to 2047071387 its reverse (7831707402), we get a palindrome (9878778789).
The spelling of 2047071387 in words is "two billion, forty-seven million, seventy-one thousand, three hundred eighty-seven".
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