Base | Representation |
---|---|
bin | 100111110000010111… |
… | …000111000001100011 |
3 | 11002011221200022000200 |
4 | 213300113013001203 |
5 | 1144410421424322 |
6 | 31335452520243 |
7 | 3040555011546 |
oct | 476027070143 |
9 | 132157608020 |
10 | 42687295587 |
11 | 17115957a92 |
12 | 8333a80083 |
13 | 4043a3b4b1 |
14 | 20cd45485d |
15 | 119c8ac8ac |
hex | 9f05c7063 |
42687295587 has 12 divisors (see below), whose sum is σ = 62037707784. Its totient is φ = 28283605920.
The previous prime is 42687295583. The next prime is 42687295597. The reversal of 42687295587 is 78559278624.
42687295587 is a `hidden beast` number, since 4 + 2 + 6 + 8 + 72 + 9 + 558 + 7 = 666.
It is not a de Polignac number, because 42687295587 - 22 = 42687295583 is a prime.
It is a super-3 number, since 3×426872955873 (a number of 33 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (42687295583) 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, 14547714 + ... + 14550647.
It is an arithmetic number, because the mean of its divisors is an integer number (5169808982).
Almost surely, 242687295587 is an apocalyptic number.
42687295587 is a deficient number, since it is larger than the sum of its proper divisors (19350412197).
42687295587 is a wasteful number, since it uses less digits than its factorization.
42687295587 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29098530 (or 29098527 counting only the distinct ones).
The product of its digits is 67737600, while the sum is 63.
The spelling of 42687295587 in words is "forty-two billion, six hundred eighty-seven million, two hundred ninety-five thousand, five hundred eighty-seven".
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