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14305005431 = 79011810531
BaseRepresentation
bin11010101001010010…
…10000111101110111
31100220221101120100222
431110221100331313
5213244040133211
610323245524555
71014330353123
oct152451207567
940827346328
1014305005431
116080891342
12293287375b
13146c870072
14999bd0583
1558acd01db
hex354a50f77

14305005431 has 4 divisors (see below), whose sum is σ = 14306823864. Its totient is φ = 14303187000.

The previous prime is 14305005413. The next prime is 14305005461. The reversal of 14305005431 is 13450050341.

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

It is a cyclic number.

It is not a de Polignac number, because 14305005431 - 218 = 14304743287 is a prime.

It is a super-2 number, since 2×143050054312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14305005431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14305005461) 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, 897365 + ... + 913166.

It is an arithmetic number, because the mean of its divisors is an integer number (3576705966).

Almost surely, 214305005431 is an apocalyptic number.

14305005431 is a deficient number, since it is larger than the sum of its proper divisors (1818433).

14305005431 is an equidigital number, since it uses as much as digits as its factorization.

14305005431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818432.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 14305005431 its reverse (13450050341), we get a palindrome (27755055772).

The spelling of 14305005431 in words is "fourteen billion, three hundred five million, five thousand, four hundred thirty-one".

Divisors: 1 7901 1810531 14305005431