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14438839523887 = 372542315349837
BaseRepresentation
bin1101001000011100110111…
…1001101001101000101111
31220010100011112220120022001
43102013031321221220233
53343031220404231022
650413040013033131
73020112621640102
oct322071571515057
956110145816261
1014438839523887
114667528545159
1217524161857a7
138097660ab28c
1437cbb4a3a739
151a08c249db27
hexd21cde69a2f

14438839523887 has 8 divisors (see below), whose sum is σ = 14829662689856. Its totient is φ = 14048047108512.

The previous prime is 14438839523881. The next prime is 14438839523891. The reversal of 14438839523887 is 78832593883441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14438839523887 - 235 = 14404479785519 is a prime.

It is a super-2 number, since 2×144388395238872 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14438839523881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6734268 + ... + 8615569.

It is an arithmetic number, because the mean of its divisors is an integer number (1853707836232).

Almost surely, 214438839523887 is an apocalyptic number.

14438839523887 is a deficient number, since it is larger than the sum of its proper divisors (390823165969).

14438839523887 is a wasteful number, since it uses less digits than its factorization.

14438839523887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15375297.

The product of its digits is 1114767360, while the sum is 73.

The spelling of 14438839523887 in words is "fourteen trillion, four hundred thirty-eight billion, eight hundred thirty-nine million, five hundred twenty-three thousand, eight hundred eighty-seven".

Divisors: 1 37 25423 940651 15349837 567943969 390238906051 14438839523887