Base | Representation |
---|---|
bin | 1100000101110001… |
… | …11100100010001011 |
3 | 121202100211120200021 |
4 | 12002320330202023 |
5 | 101243134332022 |
6 | 2552031121311 |
7 | 316565011021 |
oct | 60270744213 |
9 | 17670746607 |
10 | 6490933387 |
11 | 2830a65364 |
12 | 1311973237 |
13 | 7c59c80b3 |
14 | 4580c4711 |
15 | 27ecae7c7 |
hex | 182e3c88b |
6490933387 has 32 divisors (see below), whose sum is σ = 7366464000. Its totient is φ = 5682700800.
The previous prime is 6490933369. The next prime is 6490933391. The reversal of 6490933387 is 7833390946.
6490933387 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 6490933387 - 211 = 6490931339 is a prime.
It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6490933307) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8003212 + ... + 8004022.
It is an arithmetic number, because the mean of its divisors is an integer number (230202000).
Almost surely, 26490933387 is an apocalyptic number.
6490933387 is a deficient number, since it is larger than the sum of its proper divisors (875530613).
6490933387 is a wasteful number, since it uses less digits than its factorization.
6490933387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1267.
The product of its (nonzero) digits is 2939328, while the sum is 52.
The square root of 6490933387 is about 80566.3291145873. The cubic root of 6490933387 is about 1865.3874506903.
The spelling of 6490933387 in words is "six billion, four hundred ninety million, nine hundred thirty-three thousand, three hundred eighty-seven".
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