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243241033312 = 2519809494521
BaseRepresentation
bin1110001010001001001…
…0111001111001100000
3212020211212220202212201
43202202102321321200
512441124201031222
6303424323302544
723400511445344
oct3424222717140
9766755822781
10243241033312
1194181249572
123b184b1aa54
1319c259a9214
14bab6cb9624
1564d9762427
hex38a24b9e60

243241033312 has 48 divisors (see below), whose sum is σ = 504709153200. Its totient is φ = 115076782080.

The previous prime is 243241033291. The next prime is 243241033319. The reversal of 243241033312 is 213330142342.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243241033319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244612 + ... + 739132.

It is an arithmetic number, because the mean of its divisors is an integer number (10514774025).

Almost surely, 2243241033312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243241033312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252354576600).

243241033312 is an abundant number, since it is smaller than the sum of its proper divisors (261468119888).

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

243241033312 is a wasteful number, since it uses less digits than its factorization.

243241033312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495359 (or 495351 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 243241033312 its reverse (213330142342), we get a palindrome (456571175654).

The spelling of 243241033312 in words is "two hundred forty-three billion, two hundred forty-one million, thirty-three thousand, three hundred twelve".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 809 1618 3236 6472 12944 15371 25888 30742 61484 122968 245936 491872 494521 989042 1978084 3956168 7912336 9395899 15824672 18791798 37583596 75167192 150334384 300668768 400067489 800134978 1600269956 3200539912 6401079824 7601282291 12802159648 15202564582 30405129164 60810258328 121620516656 243241033312