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50189518687 = 7114319997583
BaseRepresentation
bin101110101111100001…
…110100011101011111
311210112210102201101111
4232233201310131133
51310242004044222
635020131322451
73424512604240
oct565741643537
9153483381344
1050189518687
111a315747270
129888450427
13496b0c7369
142601984cc7
15148b32d777
hexbaf87475f

50189518687 has 32 divisors (see below), whose sum is σ = 64069632000. Its totient is φ = 38175066720.

The previous prime is 50189518681. The next prime is 50189518777. The reversal of 50189518687 is 78681598105.

It is not a de Polignac number, because 50189518687 - 211 = 50189516639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50189518681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6614898 + ... + 6622480.

It is an arithmetic number, because the mean of its divisors is an integer number (2002176000).

Almost surely, 250189518687 is an apocalyptic number.

50189518687 is a deficient number, since it is larger than the sum of its proper divisors (13880113313).

50189518687 is a wasteful number, since it uses less digits than its factorization.

50189518687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9643.

The product of its (nonzero) digits is 4838400, while the sum is 58.

The spelling of 50189518687 in words is "fifty billion, one hundred eighty-nine million, five hundred eighteen thousand, six hundred eighty-seven".

Divisors: 1 7 11 43 77 301 473 1999 3311 7583 13993 21989 53081 83413 85957 153923 326069 583891 601699 945527 2282483 3586759 6618689 15158417 25107313 106108919 166742587 651811931 1167198109 4562683517 7169931241 50189518687