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49099438080 = 21132571121737
BaseRepresentation
bin101101101110100011…
…011111100000000000
311200201211020212220200
4231232203133200000
51301023424004310
634320031205200
73355505223540
oct555643374000
9150654225820
1049099438080
1119906397600
129623376800
13482630a654
14253aca9320
1514257a69c0
hexb6e8df800

49099438080 has 1728 divisors, whose sum is σ = 232458932160. Its totient is φ = 9342812160.

The previous prime is 49099438079. The next prime is 49099438093. The reversal of 49099438080 is 8083499094.

49099438080 is a `hidden beast` number, since 49 + 0 + 99 + 438 + 0 + 80 = 666.

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 143 ways as a sum of consecutive naturals, for example, 1327011822 + ... + 1327011858.

It is an arithmetic number, because the mean of its divisors is an integer number (134524845).

Almost surely, 249099438080 is an apocalyptic number.

49099438080 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 49099438080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116229466080).

49099438080 is an abundant number, since it is smaller than the sum of its proper divisors (183359494080).

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

49099438080 is a wasteful number, since it uses less digits than its factorization.

49099438080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 49099438080 in words is "forty-nine billion, ninety-nine million, four hundred thirty-eight thousand, eighty".