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49621950000 = 24335575989
BaseRepresentation
bin101110001101101100…
…101101111000110000
311202002020110020112000
4232031230231320300
51303111204400000
634443534334000
73404451421110
oct561554557060
9152066406460
1049621950000
111a05432a537
12974a35a300
1348aa6452bc
14258a441040
1514565ba000
hexb8db2de30

49621950000 has 960 divisors, whose sum is σ = 209236608000. Its totient is φ = 11024640000.

The previous prime is 49621949999. The next prime is 49621950011. The reversal of 49621950000 is 5912694.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 557549956 + ... + 557550044.

It is an arithmetic number, because the mean of its divisors is an integer number (217954800).

Almost surely, 249621950000 is an apocalyptic number.

49621950000 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 49621950000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104618304000).

49621950000 is an abundant number, since it is smaller than the sum of its proper divisors (159614658000).

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

49621950000 is an equidigital number, since it uses as much as digits as its factorization.

49621950000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 49621950000 in words is "forty-nine billion, six hundred twenty-one million, nine hundred fifty thousand".