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51842773312 = 2611267163613
BaseRepresentation
bin110000010010000100…
…011111000101000000
311221211000022202101021
4300102010133011000
51322133222221222
635452150315224
73513466205461
oct602204370500
9157730282337
1051842773312
111aa93991a00
12a06a058b14
134b72787a35
14271b37cd68
15153654bac7
hexc1211f140

51842773312 has 168 divisors, whose sum is σ = 115658217248. Its totient is φ = 23033134080.

The previous prime is 51842773303. The next prime is 51842773327. The reversal of 51842773312 is 21337724815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84571918 + ... + 84572530.

Almost surely, 251842773312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51842773312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57829108624).

51842773312 is an abundant number, since it is smaller than the sum of its proper divisors (63815443936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51842773312 is a wasteful number, since it uses less digits than its factorization.

51842773312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 856 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The spelling of 51842773312 in words is "fifty-one billion, eight hundred forty-two million, seven hundred seventy-three thousand, three hundred twelve".