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14221666031 = 79180021089
BaseRepresentation
bin11010011111010110…
…10110011011101111
31100201010120111012112
431033223112123233
5213111221303111
610311111354235
71012266111116
oct151753263357
940633514175
1014221666031
11603883a201
12290a98297b
131458510a01
1498cad8c7d
1558381be8b
hex34fad66ef

14221666031 has 4 divisors (see below), whose sum is σ = 14401687200. Its totient is φ = 14041644864.

The previous prime is 14221666007. The next prime is 14221666057. The reversal of 14221666031 is 13066612241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14221666031 - 218 = 14221403887 is a prime.

It is a super-2 number, since 2×142216660312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14221666531) 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 3 ways as a sum of consecutive naturals, for example, 90010466 + ... + 90010623.

It is an arithmetic number, because the mean of its divisors is an integer number (3600421800).

Almost surely, 214221666031 is an apocalyptic number.

14221666031 is a deficient number, since it is larger than the sum of its proper divisors (180021169).

14221666031 is an equidigital number, since it uses as much as digits as its factorization.

14221666031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180021168.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 14221666031 in words is "fourteen billion, two hundred twenty-one million, six hundred sixty-six thousand, thirty-one".

Divisors: 1 79 180021089 14221666031