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51116055115071 = 345762995918999
BaseRepresentation
bin10111001111101011000100…
…10011101011010100111111
320200222122110202202101100010
423213311202103223110333
523144441140102140241
6300414220323434303
713524004332366252
oct1347654223532477
9220878422671303
1051116055115071
1115318219579721
125896773525993
13226a2b9810b2b
14c8a05d0ad099
155d99a4d91d16
hex2e7d624eb53f

51116055115071 has 16 divisors (see below), whose sum is σ = 68314730400000. Its totient is φ = 33997398656448.

The previous prime is 51116055115063. The next prime is 51116055115157. The reversal of 51116055115071 is 17051155061115.

It is not a de Polignac number, because 51116055115071 - 23 = 51116055115063 is a prime.

It is a super-2 number, since 2×511160551150712 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51116055115171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5676430 + ... + 11595428.

It is an arithmetic number, because the mean of its divisors is an integer number (4269670650000).

Almost surely, 251116055115071 is an apocalyptic number.

51116055115071 is a deficient number, since it is larger than the sum of its proper divisors (17198675284929).

51116055115071 is a wasteful number, since it uses less digits than its factorization.

51116055115071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5925758.

The product of its (nonzero) digits is 26250, while the sum is 39.

The spelling of 51116055115071 in words is "fifty-one trillion, one hundred sixteen billion, fifty-five million, one hundred fifteen thousand, seventy-one".

Divisors: 1 3 457 1371 6299 18897 2878643 5918999 8635929 17756997 2704982543 8114947629 37283774701 111851324103 17038685038357 51116055115071