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51013575071 = 1134431019069
BaseRepresentation
bin101111100000101001…
…010110000110011111
311212200020001010020022
4233200221112012133
51313433433400241
635234005542355
73454110143054
oct574051260637
9155606033208
1051013575071
111a6a8918aa8
129a784149bb
134a6ca50aa4
14267d1b302b
1514d885854b
hexbe0a5619f

51013575071 has 8 divisors (see below), whose sum is σ = 51581247120. Its totient is φ = 50447942272.

The previous prime is 51013575049. The next prime is 51013575083. The reversal of 51013575071 is 17057531015.

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 51013575071 - 26 = 51013575007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51013575031) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 459476 + ... + 559593.

It is an arithmetic number, because the mean of its divisors is an integer number (6447655890).

Almost surely, 251013575071 is an apocalyptic number.

51013575071 is a deficient number, since it is larger than the sum of its proper divisors (567672049).

51013575071 is a wasteful number, since it uses less digits than its factorization.

51013575071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019625.

The product of its (nonzero) digits is 18375, while the sum is 35.

The spelling of 51013575071 in words is "fifty-one billion, thirteen million, five hundred seventy-five thousand, seventy-one".

Divisors: 1 113 443 50059 1019069 115154797 451447567 51013575071