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51050343960 = 2335571168209
BaseRepresentation
bin101111100010110101…
…100110111000011000
311212202210020011200000
4233202311212320120
51314022342001320
635241402013000
73455034523020
oct574265467030
9155683204600
1051050343960
111a717652010
129a887a7160
134a77555a25
142684024a80
1514dbbbcc90
hexbe2d66e18

51050343960 has 384 divisors, whose sum is σ = 214517721600. Its totient is φ = 10607708160.

The previous prime is 51050343947. The next prime is 51050343983. The reversal of 51050343960 is 6934305015.

51050343960 is a `hidden beast` number, since 51 + 0 + 503 + 43 + 9 + 60 = 666.

It is a super-2 number, since 2×510503439602 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 714336 + ... + 782544.

It is an arithmetic number, because the mean of its divisors is an integer number (558639900).

Almost surely, 251050343960 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 51050343960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107258860800).

51050343960 is an abundant number, since it is smaller than the sum of its proper divisors (163467377640).

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

51050343960 is a wasteful number, since it uses less digits than its factorization.

51050343960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68253 (or 68237 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

Adding to 51050343960 its reverse (6934305015), we get a palindrome (57984648975).

The spelling of 51050343960 in words is "fifty-one billion, fifty million, three hundred forty-three thousand, nine hundred sixty".