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243214331131452 = 223127159589456123
BaseRepresentation
bin110111010011001110111111…
…110011111011011000111100
31011220011001200220122221100210
4313103032333303323120330
5223334310422232201302
62221135042105152420
7102141440566240662
oct6723167763733074
91156131626587323
10243214331131452
117054a68938048a
122334069748b710
13a593022792335
14440b8ca548c32
151d1b869bb566c
hexdd33bfcfb63c

243214331131452 has 24 divisors (see below), whose sum is σ = 571968610748416. Its totient is φ = 80433085885488.

The previous prime is 243214331131439. The next prime is 243214331131477. The reversal of 243214331131452 is 254131133412342.

It is a self number, because there is not a number n which added to its sum of digits gives 243214331131452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79794726538 + ... + 79794729585.

Almost surely, 2243214331131452 is an apocalyptic number.

It is an amenable number.

243214331131452 is an abundant number, since it is smaller than the sum of its proper divisors (328754279616964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243214331131452 is a wasteful number, since it uses less digits than its factorization.

243214331131452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159589456257 (or 159589456255 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

Adding to 243214331131452 its reverse (254131133412342), we get a palindrome (497345464543794).

The spelling of 243214331131452 in words is "two hundred forty-three trillion, two hundred fourteen billion, three hundred thirty-one million, one hundred thirty-one thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 127 254 381 508 762 1524 159589456123 319178912246 478768368369 638357824492 957536736738 1915073473476 20267860927621 40535721855242 60803582782863 81071443710484 121607165565726 243214331131452