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14434031421 = 321603781269
BaseRepresentation
bin11010111000101010…
…11101011100111101
31101020221011202202100
431130111131130331
5214030103001141
610344135215313
71020455146155
oct153425353475
941227152670
1014434031421
1161376a8497
122969b17539
1314905073c4
149acdb9765
155972ba0b6
hex35c55d73d

14434031421 has 6 divisors (see below), whose sum is σ = 20849156510. Its totient is φ = 9622687608.

The previous prime is 14434031411. The next prime is 14434031431. The reversal of 14434031421 is 12413043441.

14434031421 is a `hidden beast` number, since 1 + 4 + 4 + 340 + 314 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (14434031411) and next prime (14434031431).

It can be written as a sum of positive squares in only one way, i.e., 12413079396 + 2020952025 = 111414^2 + 44955^2 .

It is not a de Polignac number, because 14434031421 - 25 = 14434031389 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 (14434031401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 801890626 + ... + 801890643.

Almost surely, 214434031421 is an apocalyptic number.

It is an amenable number.

14434031421 is a deficient number, since it is larger than the sum of its proper divisors (6415125089).

14434031421 is a wasteful number, since it uses less digits than its factorization.

14434031421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603781275 (or 1603781272 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 14434031421 its reverse (12413043441), we get a palindrome (26847074862).

The spelling of 14434031421 in words is "fourteen billion, four hundred thirty-four million, thirty-one thousand, four hundred twenty-one".

Divisors: 1 3 9 1603781269 4811343807 14434031421