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3144343421 = 191912693221
BaseRepresentation
bin1011101101101010…
…1101111101111101
322010010122012021202
42323122231331331
522414422442141
61240002105245
7140630322662
oct27332557575
98103565252
103144343421
11137399982a
1273904b225
133b158284b
1421b85ba69
151360a749b
hexbb6adf7d

3144343421 has 16 divisors (see below), whose sum is σ = 3340569600. Its totient is φ = 2951323200.

The previous prime is 3144343373. The next prime is 3144343453. The reversal of 3144343421 is 1243434413.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-3144343421 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 (3144343471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 974591 + ... + 977811.

It is an arithmetic number, because the mean of its divisors is an integer number (208785600).

Almost surely, 23144343421 is an apocalyptic number.

It is an amenable number.

3144343421 is a deficient number, since it is larger than the sum of its proper divisors (196226179).

3144343421 is a wasteful number, since it uses less digits than its factorization.

3144343421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700.

The product of its digits is 13824, while the sum is 29.

The square root of 3144343421 is about 56074.4453472346. The cubic root of 3144343421 is about 1465.0192266849.

Adding to 3144343421 its reverse (1243434413), we get a palindrome (4387777834).

The spelling of 3144343421 in words is "three billion, one hundred forty-four million, three hundred forty-three thousand, four hundred twenty-one".

Divisors: 1 19 191 269 3221 3629 5111 51379 61199 615211 866449 976201 11689009 16462531 165491759 3144343421