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14727408081 = 34909136027
BaseRepresentation
bin11011011011101001…
…00110100111010001
31102000101012211212120
431231310212213101
5220130204024311
610433215244453
71030646621541
oct155564464721
942011184776
1014727408081
116278268741
122a30219729
131509226569
149d9d47321
155b2e1b706
hex36dd269d1

14727408081 has 4 divisors (see below), whose sum is σ = 19636544112. Its totient is φ = 9818272052.

The previous prime is 14727408067. The next prime is 14727408083. The reversal of 14727408081 is 18080472741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18080472741 = 36026824247.

It is a cyclic number.

It is not a de Polignac number, because 14727408081 - 217 = 14727277009 is a prime.

It is a super-2 number, since 2×147274080812 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14727408083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2454568011 + ... + 2454568016.

It is an arithmetic number, because the mean of its divisors is an integer number (4909136028).

Almost surely, 214727408081 is an apocalyptic number.

It is an amenable number.

14727408081 is a deficient number, since it is larger than the sum of its proper divisors (4909136031).

14727408081 is an equidigital number, since it uses as much as digits as its factorization.

14727408081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4909136030.

The product of its (nonzero) digits is 100352, while the sum is 42.

The spelling of 14727408081 in words is "fourteen billion, seven hundred twenty-seven million, four hundred eight thousand, eighty-one".

Divisors: 1 3 4909136027 14727408081