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14540440121 = 41491722291
BaseRepresentation
bin11011000101010110…
…11000001000111001
31101112100101220001022
431202223120020321
5214234323040441
610402500032225
71023216462464
oct154253301071
941470356038
1014540440121
116191776969
122999692675
1314a9582c2c
149bd1982db
155a17d884b
hex362ad8239

14540440121 has 8 divisors (see below), whose sum is σ = 14925441888. Its totient is φ = 14156884000.

The previous prime is 14540440091. The next prime is 14540440133. The reversal of 14540440121 is 12104404541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14540440121 is a prime.

It is a super-2 number, since 2×145404401212 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14540440171) 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, 341015 + ... + 381276.

It is an arithmetic number, because the mean of its divisors is an integer number (1865680236).

Almost surely, 214540440121 is an apocalyptic number.

It is an amenable number.

14540440121 is a deficient number, since it is larger than the sum of its proper divisors (385001767).

14540440121 is an equidigital number, since it uses as much as digits as its factorization.

14540440121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722823.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 14540440121 its reverse (12104404541), we get a palindrome (26644844662).

The spelling of 14540440121 in words is "fourteen billion, five hundred forty million, four hundred forty thousand, one hundred twenty-one".

Divisors: 1 41 491 20131 722291 29613931 354644881 14540440121