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42159916049 = 1072671147517
BaseRepresentation
bin100111010000111011…
…010100010000010001
311000211012022122022012
4213100323110100101
51142320414303144
631211253152305
73021522242066
oct472073242021
9130735278265
1042159916049
111697519aa29
12820732b695
133c8b6bb0b4
14207d3b2c6d
15116b436e9e
hex9d0ed4411

42159916049 has 8 divisors (see below), whose sum is σ = 42570154368. Its totient is φ = 41749978320.

The previous prime is 42159916039. The next prime is 42159916063. The reversal of 42159916049 is 94061995124.

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

It is a cyclic number.

It is not a de Polignac number, because 42159916049 - 28 = 42159915793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42159915988 and 42159916006.

It is not an unprimeable number, because it can be changed into a prime (42159916039) 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, 212039 + ... + 359555.

It is an arithmetic number, because the mean of its divisors is an integer number (5321269296).

Almost surely, 242159916049 is an apocalyptic number.

It is an amenable number.

42159916049 is a deficient number, since it is larger than the sum of its proper divisors (410238319).

42159916049 is a wasteful number, since it uses less digits than its factorization.

42159916049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150295.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 42159916049 in words is "forty-two billion, one hundred fifty-nine million, nine hundred sixteen thousand, forty-nine".

Divisors: 1 107 2671 147517 285797 15784319 394017907 42159916049