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14118311221 = 76730103009
BaseRepresentation
bin11010010011000010…
…00101010100110101
31100102221002112001121
431021201011110311
5212403241424341
610252540223541
71006602444130
oct151141052465
940387075047
1014118311221
115a95467203
1228a023abb1
13143cc94211
1497d0b3217
155797034d1
hex349845535

14118311221 has 8 divisors (see below), whose sum is σ = 16376037440. Its totient is φ = 11920791168.

The previous prime is 14118311177. The next prime is 14118311239. The reversal of 14118311221 is 12211381141.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14118311221 - 27 = 14118311093 is a prime.

It is the 118821-st Hogben number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14118311261) by changing a digit.

It is a nontrivial repunit in base 118820.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15051036 + ... + 15051973.

It is an arithmetic number, because the mean of its divisors is an integer number (2047004680).

Almost surely, 214118311221 is an apocalyptic number.

It is an amenable number.

14118311221 is a deficient number, since it is larger than the sum of its proper divisors (2257726219).

14118311221 is an equidigital number, since it uses as much as digits as its factorization.

14118311221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30103083.

The product of its digits is 384, while the sum is 25.

Adding to 14118311221 its reverse (12211381141), we get a palindrome (26329692362).

The spelling of 14118311221 in words is "fourteen billion, one hundred eighteen million, three hundred eleven thousand, two hundred twenty-one".

Divisors: 1 7 67 469 30103009 210721063 2016901603 14118311221