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50249041920 = 2113257117397
BaseRepresentation
bin101110110011000100…
…111000100000000000
311210200221102210220200
4232303010320200000
51310402223320140
635030055205200
73426134544330
oct566304704000
9153627383820
1050249041920
111a346301a20
1298a4376800
13497a5382cc
14260983b0c0
15149168a030
hexbb3138800

50249041920 has 1152 divisors, whose sum is σ = 222370686720. Its totient is φ = 10192158720.

The previous prime is 50249041903. The next prime is 50249041939. The reversal of 50249041920 is 2914094205.

50249041920 is a `hidden beast` number, since 502 + 4 + 90 + 41 + 9 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 518031312 + ... + 518031408.

It is an arithmetic number, because the mean of its divisors is an integer number (193030110).

Almost surely, 250249041920 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 50249041920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111185343360).

50249041920 is an abundant number, since it is smaller than the sum of its proper divisors (172121644800).

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

50249041920 is a wasteful number, since it uses less digits than its factorization.

50249041920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 50249041920 in words is "fifty billion, two hundred forty-nine million, forty-one thousand, nine hundred twenty".