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13101144143 = 31422617553
BaseRepresentation
bin11000011001110001…
…11001100001001111
31020211001010002010212
430030320321201033
5203312343103033
610004002553035
7642441613343
oct141470714117
936731102125
1013101144143
11561328855a
12265766877b
13130a3261c9
148c3d77623
1551a280748
hex30ce3984f

13101144143 has 4 divisors (see below), whose sum is σ = 13523761728. Its totient is φ = 12678526560.

The previous prime is 13101144127. The next prime is 13101144187. The reversal of 13101144143 is 34144110131.

13101144143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34144110131 = 107319103833.

It is a cyclic number.

It is not a de Polignac number, because 13101144143 - 24 = 13101144127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13101144193) 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 3 ways as a sum of consecutive naturals, for example, 211308746 + ... + 211308807.

It is an arithmetic number, because the mean of its divisors is an integer number (3380940432).

Almost surely, 213101144143 is an apocalyptic number.

13101144143 is a deficient number, since it is larger than the sum of its proper divisors (422617585).

13101144143 is an equidigital number, since it uses as much as digits as its factorization.

13101144143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422617584.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 13101144143 its reverse (34144110131), we get a palindrome (47245254274).

The spelling of 13101144143 in words is "thirteen billion, one hundred one million, one hundred forty-four thousand, one hundred forty-three".

Divisors: 1 31 422617553 13101144143