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14111665531 = 108712982213
BaseRepresentation
bin11010010010001111…
…01110110101111011
31100102110120212212221
431021013232311323
5212400041244111
610252141544511
71006462115005
oct151107566573
940373525787
1014111665531
115a917381a7
122899b75137
13143b7a8362
1497c263375
15578d3e371
hex3491eed7b

14111665531 has 4 divisors (see below), whose sum is σ = 14124648832. Its totient is φ = 14098682232.

The previous prime is 14111665511. The next prime is 14111665583. The reversal of 14111665531 is 13556611141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13556611141 = 51109265249.

It is a cyclic number.

It is not a de Polignac number, because 14111665531 - 215 = 14111632763 is a prime.

It is a super-2 number, since 2×141116655312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14111665501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6490020 + ... + 6492193.

It is an arithmetic number, because the mean of its divisors is an integer number (3531162208).

Almost surely, 214111665531 is an apocalyptic number.

14111665531 is a deficient number, since it is larger than the sum of its proper divisors (12983301).

14111665531 is a wasteful number, since it uses less digits than its factorization.

14111665531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12983300.

The product of its digits is 10800, while the sum is 34.

The spelling of 14111665531 in words is "fourteen billion, one hundred eleven million, six hundred sixty-five thousand, five hundred thirty-one".

Divisors: 1 1087 12982213 14111665531