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51035684386727 = 19531493111093699
BaseRepresentation
bin10111001101010101010111…
…10101101011011110100111
320200200222000121001100122202
423212222223311223132213
523142132040200333402
6300313245244045115
713515130556436065
oct1346525365533647
9220628017040582
1051035684386727
111529712637a987
12588308353379b
13226284b946041
14c861d6dcd035
155d784e092b02
hex2e6aabd6b7a7

51035684386727 has 32 divisors (see below), whose sum is σ = 55279972800000. Its totient is φ = 46967416928640.

The previous prime is 51035684386649. The next prime is 51035684386733. The reversal of 51035684386727 is 72768348653015.

It is a cyclic number.

It is not a de Polignac number, because 51035684386727 - 210 = 51035684385703 is a prime.

It is a super-2 number, since 2×510356843867272 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51035684380727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46116524 + ... + 47210222.

It is an arithmetic number, because the mean of its divisors is an integer number (1727499150000).

Almost surely, 251035684386727 is an apocalyptic number.

51035684386727 is a deficient number, since it is larger than the sum of its proper divisors (4244288413273).

51035684386727 is a wasteful number, since it uses less digits than its factorization.

51035684386727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094231.

The product of its (nonzero) digits is 203212800, while the sum is 65.

The spelling of 51035684386727 in words is "fifty-one trillion, thirty-five billion, six hundred eighty-four million, three hundred eighty-six thousand, seven hundred twenty-seven".

Divisors: 1 19 53 149 311 1007 2831 5909 7897 16483 46339 150043 313177 880441 1093699 2455967 20780281 46663373 57966047 162961151 340140389 1101354893 3096261869 6462667391 8636941003 18027440617 50680917961 164101879057 342521371723 962937441259 2686088651933 51035684386727