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50470775838 = 2357131269421
BaseRepresentation
bin101111000000010010…
…101110110000011110
311211021101200001200000
4233000102232300132
51311331004311323
635104055515130
73434466342030
oct570022566036
9154241601600
1050470775838
111a44a48999a
129946688aa6
1349b4462002
14262b079c50
1514a5d88e43
hexbc04aec1e

50470775838 has 192 divisors, whose sum is σ = 131390138880. Its totient is φ = 14223081600.

The previous prime is 50470775809. The next prime is 50470775867. The reversal of 50470775838 is 83857707405.

50470775838 is a `hidden beast` number, since 50 + 4 + 7 + 0 + 7 + 7 + 583 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (50470775809) and next prime (50470775867).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 119882868 + ... + 119883288.

It is an arithmetic number, because the mean of its divisors is an integer number (684323640).

Almost surely, 250470775838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50470775838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65695069440).

50470775838 is an abundant number, since it is smaller than the sum of its proper divisors (80919363042).

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

50470775838 is a wasteful number, since it uses less digits than its factorization.

50470775838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 54.

The spelling of 50470775838 in words is "fifty billion, four hundred seventy million, seven hundred seventy-five thousand, eight hundred thirty-eight".