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50487932880 = 243357111072837
BaseRepresentation
bin101111000001010100…
…001011011111010000
311211022120221201201000
4233001110023133100
51311344402323010
635105511342000
73435065230410
oct570124133720
9154276851630
1050487932880
111a459138270
129950381900
1349b7b8b3c8
14262d464640
1514a76277c0
hexbc150b7d0

50487932880 has 640 divisors, whose sum is σ = 218917416960. Its totient is φ = 10389288960.

The previous prime is 50487932861. The next prime is 50487932917. The reversal of 50487932880 is 8823978405.

It is a happy number.

50487932880 is a `hidden beast` number, since 50 + 487 + 9 + 32 + 8 + 80 = 666.

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

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 127 ways as a sum of consecutive naturals, for example, 17794822 + ... + 17797658.

It is an arithmetic number, because the mean of its divisors is an integer number (342058464).

Almost surely, 250487932880 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 50487932880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109458708480).

50487932880 is an abundant number, since it is smaller than the sum of its proper divisors (168429484080).

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

50487932880 is a wasteful number, since it uses less digits than its factorization.

50487932880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984 (or 2972 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 50487932880 in words is "fifty billion, four hundred eighty-seven million, nine hundred thirty-two thousand, eight hundred eighty".