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50921250875 = 531137033637
BaseRepresentation
bin101111011011001001…
…001010000000111011
311212102210022120020122
4233123021022000323
51313241320012000
635220511043455
73451606330235
oct573311120073
9155383276218
1050921250875
111a66079a510
129a5151058b
134a56896ca1
142670c1d255
1514d06bd085
hexbdb24a03b

50921250875 has 16 divisors (see below), whose sum is σ = 69326970336. Its totient is φ = 37033636000.

The previous prime is 50921250871. The next prime is 50921250911. The reversal of 50921250875 is 57805212905.

50921250875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50921250875 - 22 = 50921250871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50921250871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18515444 + ... + 18518193.

It is an arithmetic number, because the mean of its divisors is an integer number (4332935646).

Almost surely, 250921250875 is an apocalyptic number.

50921250875 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

50921250875 is a deficient number, since it is larger than the sum of its proper divisors (18405719461).

50921250875 is a wasteful number, since it uses less digits than its factorization.

50921250875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37033663 (or 37033653 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 44.

The spelling of 50921250875 in words is "fifty billion, nine hundred twenty-one million, two hundred fifty thousand, eight hundred seventy-five".

Divisors: 1 5 11 25 55 125 275 1375 37033637 185168185 407370007 925840925 2036850035 4629204625 10184250175 50921250875