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57784819047142 = 21115168325467917
BaseRepresentation
bin11010010001110000100111…
…00111001101101011100110
321120121011201101121200011111
431020320103213031223212
530033221302134002032
6322521551314455234
715112546453466515
oct1510702347155346
9246534641550144
1057784819047142
11174594499a55a0
126593102b9451a
132632114b33415
14103ab2b91a67c
156a31b09e5c47
hex348e139cdae6

57784819047142 has 32 divisors (see below), whose sum is σ = 95322545950464. Its totient is φ = 26053678068000.

The previous prime is 57784819047101. The next prime is 57784819047161. The reversal of 57784819047142 is 24174091848775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10465033 + ... + 15002884.

It is an arithmetic number, because the mean of its divisors is an integer number (2978829560952).

Almost surely, 257784819047142 is an apocalyptic number.

57784819047142 is a deficient number, since it is larger than the sum of its proper divisors (37537726903322).

57784819047142 is a wasteful number, since it uses less digits than its factorization.

57784819047142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25468764.

The product of its (nonzero) digits is 126443520, while the sum is 67.

The spelling of 57784819047142 in words is "fifty-seven trillion, seven hundred eighty-four billion, eight hundred nineteen million, forty-seven thousand, one hundred forty-two".

Divisors: 1 2 11 22 151 302 683 1366 1661 3322 7513 15026 103133 206266 1134463 2268926 25467917 50935834 280147087 560294174 3845655467 7691310934 17394587311 34789174622 42302210137 84604420274 191340460421 382680920842 2626582683961 5253165367922 28892409523571 57784819047142