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49896820080 = 24325233319103
BaseRepresentation
bin101110011110000101…
…010000110101110000
311202210101200002101100
4232132011100311300
51304142041220310
634531114004400
73414326654442
oct563605206560
9152711602340
1049896820080
111a1854aa498
129806416700
134922584a13
1425b4b52492
1514707b2ec0
hexb9e150d70

49896820080 has 240 divisors, whose sum is σ = 175403344896. Its totient is φ = 12687459840.

The previous prime is 49896820049. The next prime is 49896820091. The reversal of 49896820080 is 8002869894.

It is a tau number, because it is divible by the number of its divisors (240).

It is a junction number, because it is equal to n+sod(n) for n = 49896819999 and 49896820026.

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 47 ways as a sum of consecutive naturals, for example, 5476809 + ... + 5485911.

Almost surely, 249896820080 is an apocalyptic number.

49896820080 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 49896820080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87701672448).

49896820080 is an abundant number, since it is smaller than the sum of its proper divisors (125506524816).

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

49896820080 is a wasteful number, since it uses less digits than its factorization.

49896820080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9476 (or 9467 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 49896820080 in words is "forty-nine billion, eight hundred ninety-six million, eight hundred twenty thousand, eighty".