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42571428578 = 27113167161137
BaseRepresentation
bin100111101001011101…
…000111001011100010
311001212212122122100222
4213221131013023202
51144141241203303
631320153243042
73034650113060
oct475135071342
9131785578328
1042571428578
1117066509428
128301103482
134025a30833
1420bbcd3030
151192621938
hex9e97472e2

42571428578 has 32 divisors (see below), whose sum is σ = 74066759424. Its totient is φ = 17975043072.

The previous prime is 42571428569. The next prime is 42571428629. The reversal of 42571428578 is 87582417524.

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, 183626 + ... + 344762.

It is an arithmetic number, because the mean of its divisors is an integer number (2314586232).

Almost surely, 242571428578 is an apocalyptic number.

42571428578 is a deficient number, since it is larger than the sum of its proper divisors (31495330846).

42571428578 is a wasteful number, since it uses less digits than its factorization.

42571428578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161426.

The product of its digits is 5017600, while the sum is 53.

The spelling of 42571428578 in words is "forty-two billion, five hundred seventy-one million, four hundred twenty-eight thousand, five hundred seventy-eight".

Divisors: 1 2 7 14 113 167 226 334 791 1169 1582 2338 18871 37742 132097 161137 264194 322274 1127959 2255918 18208481 26909879 36416962 53819758 127459367 188369153 254918734 376738306 3040816327 6081632654 21285714289 42571428578