Base | Representation |
---|---|
bin | 100111111100110100… |
… | …010110100001000111 |
3 | 11002201111221012110120 |
4 | 213330310112201013 |
5 | 1200322422202230 |
6 | 31412320153023 |
7 | 3046003300413 |
oct | 477464264107 |
9 | 132644835416 |
10 | 42896287815 |
11 | 17212921a37 |
12 | 8391a68773 |
13 | 4078123734 |
14 | 210d0d7d43 |
15 | 11b0de1310 |
hex | 9fcd16847 |
42896287815 has 16 divisors (see below), whose sum is σ = 69502848000. Its totient is φ = 22588424352.
The previous prime is 42896287751. The next prime is 42896287829. The reversal of 42896287815 is 51878269824.
It is not a de Polignac number, because 42896287815 - 26 = 42896287751 is a prime.
It is a super-3 number, since 3×428962878153 (a number of 33 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18098515 + ... + 18100884.
It is an arithmetic number, because the mean of its divisors is an integer number (4343928000).
Almost surely, 242896287815 is an apocalyptic number.
42896287815 is a deficient number, since it is larger than the sum of its proper divisors (26606560185).
42896287815 is a wasteful number, since it uses less digits than its factorization.
42896287815 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36199486.
The product of its digits is 15482880, while the sum is 60.
The spelling of 42896287815 in words is "forty-two billion, eight hundred ninety-six million, two hundred eighty-seven thousand, eight hundred fifteen".
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