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13144400211 = 34381466737
BaseRepresentation
bin11000011110111011…
…11010000101010011
31020221001111201022110
430033131322011103
5203404431301321
610012150040403
7643505362335
oct141735720523
936831451273
1013144400211
115635742478
12266a049103
13131628cb07
148c99d7455
1551de77176
hex30f77a153

13144400211 has 4 divisors (see below), whose sum is σ = 17525866952. Its totient is φ = 8762933472.

The previous prime is 13144400209. The next prime is 13144400239. The reversal of 13144400211 is 11200444131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13144400211 - 21 = 13144400209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13144400281) 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, 2190733366 + ... + 2190733371.

It is an arithmetic number, because the mean of its divisors is an integer number (4381466738).

Almost surely, 213144400211 is an apocalyptic number.

13144400211 is a deficient number, since it is larger than the sum of its proper divisors (4381466741).

13144400211 is an equidigital number, since it uses as much as digits as its factorization.

13144400211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381466740.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 13144400211 its reverse (11200444131), we get a palindrome (24344844342).

The spelling of 13144400211 in words is "thirteen billion, one hundred forty-four million, four hundred thousand, two hundred eleven".

Divisors: 1 3 4381466737 13144400211