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13444444401 = 35975957313
BaseRepresentation
bin11001000010101100…
…11111000011110001
31021200222002112120020
430201112133003301
5210013234210101
610102025034053
7654110614623
oct144126370361
937628075506
1013444444401
11577a047083
122732625929
1313634a4a5b
149177bcc13
1553a494136
hex32159f0f1

13444444401 has 8 divisors (see below), whose sum is σ = 18229755360. Its totient is φ = 8811048192.

The previous prime is 13444444379. The next prime is 13444444417. The reversal of 13444444401 is 10444444431.

13444444401 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 not a de Polignac number, because 13444444401 - 25 = 13444444369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13444444421) 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, 37978480 + ... + 37978833.

It is an arithmetic number, because the mean of its divisors is an integer number (2278719420).

Almost surely, 213444444401 is an apocalyptic number.

It is an amenable number.

13444444401 is a deficient number, since it is larger than the sum of its proper divisors (4785310959).

13444444401 is an equidigital number, since it uses as much as digits as its factorization.

13444444401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75957375.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 13444444401 its reverse (10444444431), we get a palindrome (23888888832).

The spelling of 13444444401 in words is "thirteen billion, four hundred forty-four million, four hundred forty-four thousand, four hundred one".

Divisors: 1 3 59 177 75957313 227871939 4481481467 13444444401