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6911424985 = 553203912791
BaseRepresentation
bin1100110111111001…
…11111100111011001
3122211200001202201011
412123330333213121
5103123311044420
63101451453521
7333162100033
oct63374774731
918750052634
106911424985
112a27356983
12140a7572a1
13861b627aa
14497ca0c53
152a6b6e95a
hex19bf3f9d9

6911424985 has 16 divisors (see below), whose sum is σ = 8455000320. Its totient is φ = 5421732160.

The previous prime is 6911424973. The next prime is 6911424991. The reversal of 6911424985 is 5894241196.

6911424985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6911424985 - 223 = 6903036377 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 533940 + ... + 546730.

It is an arithmetic number, because the mean of its divisors is an integer number (528437520).

Almost surely, 26911424985 is an apocalyptic number.

It is an amenable number.

6911424985 is a deficient number, since it is larger than the sum of its proper divisors (1543575335).

6911424985 is a wasteful number, since it uses less digits than its factorization.

6911424985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14888.

The product of its digits is 622080, while the sum is 49.

The square root of 6911424985 is about 83134.9805136201. The cubic root of 6911424985 is about 1904.8284380141.

The spelling of 6911424985 in words is "six billion, nine hundred eleven million, four hundred twenty-four thousand, nine hundred eighty-five".

Divisors: 1 5 53 265 2039 10195 12791 63955 108067 540335 677923 3389615 26080849 130404245 1382284997 6911424985