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13144430144323 = 4313710932041421
BaseRepresentation
bin1011111101000110110100…
…0101101110101101000011
31201112121001221022001120001
42333101231011232231003
53210324243104104243
643542245015500431
72524440142515352
oct277215505565503
951477057261501
1013144430144323
114208581161935
12158358b087717
1374468c305c8a
1433629db77999
1517bdb4298a4d
hexbf46d16eb43

13144430144323 has 16 divisors (see below), whose sum is σ = 13560692736096. Its totient is φ = 12733365415680.

The previous prime is 13144430144309. The next prime is 13144430144333. The reversal of 13144430144323 is 32344103444131.

It is a cyclic number.

It is not a de Polignac number, because 13144430144323 - 25 = 13144430144291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13144430144333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5418153 + ... + 7459573.

It is an arithmetic number, because the mean of its divisors is an integer number (847543296006).

Almost surely, 213144430144323 is an apocalyptic number.

13144430144323 is a deficient number, since it is larger than the sum of its proper divisors (416262591773).

13144430144323 is a wasteful number, since it uses less digits than its factorization.

13144430144323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042694.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 13144430144323 its reverse (32344103444131), we get a palindrome (45488533588454).

The spelling of 13144430144323 in words is "thirteen trillion, one hundred forty-four billion, four hundred thirty million, one hundred forty-four thousand, three hundred twenty-three".

Divisors: 1 43 137 1093 5891 46999 149741 2041421 6438863 87781103 279674677 2231273153 12026011111 95944745579 305684421961 13144430144323