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50755680000 = 28335431379
BaseRepresentation
bin101111010001010001…
…100011011100000000
311212000020202200201000
4233101101203130000
51312421423230000
635152234212000
73444526106304
oct572121433400
9155006680630
1050755680000
111a586292683
129a05b84000
134a2b4a595c
142656c3dd04
1514c0db5000
hexbd1463700

50755680000 has 720 divisors, whose sum is σ = 194117862400. Its totient is φ = 13063680000.

The previous prime is 50755679999. The next prime is 50755680007. The reversal of 50755680000 is 8655705.

It is a tau number, because it is divible by the number of its divisors (720).

It is a super-2 number, since 2×507556800002 (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 not an unprimeable number, because it can be changed into a prime (50755680007) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 133919811 + ... + 133920189.

Almost surely, 250755680000 is an apocalyptic number.

50755680000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50755680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97058931200).

50755680000 is an abundant number, since it is smaller than the sum of its proper divisors (143362182400).

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

50755680000 is an equidigital number, since it uses as much as digits as its factorization.

50755680000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 50755680000 in words is "fifty billion, seven hundred fifty-five million, six hundred eighty thousand".