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48887072640 = 273357257737
BaseRepresentation
bin101101100001111001…
…011000011110000000
311200012000122121022000
4231201321120132000
51300110042311030
634243003344000
73350316155400
oct554171303600
9150160577260
1048887072640
111980752927a
129584222000
1347c1313c23
14251a9c8800
151411d08860
hexb61e58780

48887072640 has 384 divisors, whose sum is σ = 201413239200. Its totient is φ = 11173994496.

The previous prime is 48887072627. The next prime is 48887072749. The reversal of 48887072640 is 4627078884.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 817852 + ... + 875588.

Almost surely, 248887072640 is an apocalyptic number.

48887072640 is a gapful number since it is divisible by the number (40) 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 48887072640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100706619600).

48887072640 is an abundant number, since it is smaller than the sum of its proper divisors (152526166560).

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

48887072640 is a wasteful number, since it uses less digits than its factorization.

48887072640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57779 (or 57754 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 54.

The spelling of 48887072640 in words is "forty-eight billion, eight hundred eighty-seven million, seventy-two thousand, six hundred forty".