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14540230421 = 312232103317
BaseRepresentation
bin11011000101010101…
…00100111100010101
31101112100000020101122
431202222210330111
5214234244333141
610402451333325
71023214630223
oct154252447425
941470006348
1014540230421
116191643362
1229995b1245
1314a950b652
149bd141b13
155a179664b
hex362aa4f15

14540230421 has 8 divisors (see below), whose sum is σ = 15076583424. Its totient is φ = 14008084560.

The previous prime is 14540230403. The next prime is 14540230487. The reversal of 14540230421 is 12403204541.

14540230421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 14540230421 - 226 = 14473121557 is a prime.

It is a super-2 number, since 2×145402304212 (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 (14540230121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044746 + ... + 1058571.

It is an arithmetic number, because the mean of its divisors is an integer number (1884572928).

Almost surely, 214540230421 is an apocalyptic number.

It is an amenable number.

14540230421 is a deficient number, since it is larger than the sum of its proper divisors (536353003).

14540230421 is a wasteful number, since it uses less digits than its factorization.

14540230421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103571.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 14540230421 its reverse (12403204541), we get a palindrome (26943434962).

The spelling of 14540230421 in words is "fourteen billion, five hundred forty million, two hundred thirty thousand, four hundred twenty-one".

Divisors: 1 31 223 6913 2103317 65202827 469039691 14540230421