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14013123221 = 23673905299
BaseRepresentation
bin11010000110011111…
…10100101010010101
31100011121011102020202
431003033310222111
5212144324420341
610234301510245
71004154403436
oct150317645225
940147142222
1014013123221
115a41051979
122870b72385
1314242551b6
1496d13148d
1557037679b
hex3433f4a95

14013123221 has 8 divisors (see below), whose sum is σ = 14644132800. Its totient is φ = 13383925632.

The previous prime is 14013123209. The next prime is 14013123287. The reversal of 14013123221 is 12232131041.

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 14013123221 - 218 = 14012861077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14013123193 and 14013123202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14013323221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437171 + ... + 468128.

It is an arithmetic number, because the mean of its divisors is an integer number (1830516600).

Almost surely, 214013123221 is an apocalyptic number.

It is an amenable number.

14013123221 is a deficient number, since it is larger than the sum of its proper divisors (631009579).

14013123221 is an equidigital number, since it uses as much as digits as its factorization.

14013123221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905995.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 14013123221 its reverse (12232131041), we get a palindrome (26245254262).

The spelling of 14013123221 in words is "fourteen billion, thirteen million, one hundred twenty-three thousand, two hundred twenty-one".

Divisors: 1 23 673 15479 905299 20821877 609266227 14013123221