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243234714120437 = 13111631716760797
BaseRepresentation
bin110111010011100001111110…
…101110110111000011110101
31011220020000022102212001201202
4313103201332232313003311
5223340124143303323222
62221152252435302245
7102143061651626564
oct6723417656670365
91156200272761652
10243234714120437
1170558299006826
122334462574a985
13a594c20603770
14440c8a1647bdb
151d1c15e384892
hexdd387ebb70f5

243234714120437 has 8 divisors (see below), whose sum is σ = 261945327024696. Its totient is φ = 224524136970432.

The previous prime is 243234714120413. The next prime is 243234714120443. The reversal of 243234714120437 is 734021417432342.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16753705010641 + 226481009109796 = 4093129^2 + 15049286^2 .

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

It is not a de Polignac number, because 243234714120437 - 212 = 243234714116341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243234714120391 and 243234714120400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243234714120407) 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, 6131723 + ... + 22892519.

It is an arithmetic number, because the mean of its divisors is an integer number (32743165878087).

Almost surely, 2243234714120437 is an apocalyptic number.

It is an amenable number.

243234714120437 is a deficient number, since it is larger than the sum of its proper divisors (18710612904259).

243234714120437 is a wasteful number, since it uses less digits than its factorization.

243234714120437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17877127.

The product of its (nonzero) digits is 2709504, while the sum is 47.

The spelling of 243234714120437 in words is "two hundred forty-three trillion, two hundred thirty-four billion, seven hundred fourteen million, one hundred twenty thousand, four hundred thirty-seven".

Divisors: 1 13 1116317 14512121 16760797 217890361 18710362624649 243234714120437