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42866716879 = 729211166093
BaseRepresentation
bin100111111011000011…
…100011000011001111
311002122110021211202201
4213323003203003033
51200242334420004
631405342302331
73045164036650
oct477303430317
9132573254681
1042866716879
11171a8164948
128383b879a7
134071c6bb3c
1421091db527
1511ad4ee6a4
hex9fb0e30cf

42866716879 has 8 divisors (see below), whose sum is σ = 50679862560. Its totient is φ = 35475903456.

The previous prime is 42866716873. The next prime is 42866716883. The reversal of 42866716879 is 97861766824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42866716879 - 25 = 42866716847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42866716879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42866716873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105582844 + ... + 105583249.

It is an arithmetic number, because the mean of its divisors is an integer number (6334982820).

Almost surely, 242866716879 is an apocalyptic number.

42866716879 is a deficient number, since it is larger than the sum of its proper divisors (7813145681).

42866716879 is a wasteful number, since it uses less digits than its factorization.

42866716879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211166129.

The product of its digits is 48771072, while the sum is 64.

The spelling of 42866716879 in words is "forty-two billion, eight hundred sixty-six million, seven hundred sixteen thousand, eight hundred seventy-nine".

Divisors: 1 7 29 203 211166093 1478162651 6123816697 42866716879