Base | Representation |
---|---|
bin | 1100000101011011… |
… | …01001100010110111 |
3 | 121202011021010110010 |
4 | 12002231221202313 |
5 | 101241410101043 |
6 | 2551443431303 |
7 | 316530565221 |
oct | 60255514267 |
9 | 17664233403 |
10 | 6487972023 |
11 | 282a322455 |
12 | 1310985533 |
13 | 7c51cc200 |
14 | 457953411 |
15 | 27e8c7133 |
hex | 182b698b7 |
6487972023 has 24 divisors (see below), whose sum is σ = 9373300992. Its totient is φ = 3990019488.
The previous prime is 6487972019. The next prime is 6487972033. The reversal of 6487972023 is 3202797846.
It is not a de Polignac number, because 6487972023 - 22 = 6487972019 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6487972003) 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 23 ways as a sum of consecutive naturals, for example, 1042840 + ... + 1049042.
It is an arithmetic number, because the mean of its divisors is an integer number (390554208).
Almost surely, 26487972023 is an apocalyptic number.
6487972023 is a deficient number, since it is larger than the sum of its proper divisors (2885328969).
6487972023 is a wasteful number, since it uses less digits than its factorization.
6487972023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8295 (or 8282 counting only the distinct ones).
The product of its (nonzero) digits is 1016064, while the sum is 48.
The square root of 6487972023 is about 80547.9485958519. The cubic root of 6487972023 is about 1865.1037251091.
The spelling of 6487972023 in words is "six billion, four hundred eighty-seven million, nine hundred seventy-two thousand, twenty-three".
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