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243104522144 = 2511690637847
BaseRepresentation
bin1110001001101000101…
…0001001111110100000
3212020111101001021202112
43202122022021332200
512440334224202034
6303403005334452
723364233225531
oct3423212117640
9766441037675
10243104522144
119411118a720
123b147267428
1319c03620b93
14baa2b02688
1564cc7997ce
hex389a289fa0

243104522144 has 24 divisors (see below), whose sum is σ = 522122213088. Its totient is φ = 110502055360.

The previous prime is 243104522117. The next prime is 243104522161. The reversal of 243104522144 is 441225401342.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 243104522144.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 345318572 + ... + 345319275.

It is an arithmetic number, because the mean of its divisors is an integer number (21755092212).

Almost surely, 2243104522144 is an apocalyptic number.

It is an amenable number.

243104522144 is an abundant number, since it is smaller than the sum of its proper divisors (279017690944).

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

243104522144 is a wasteful number, since it uses less digits than its factorization.

243104522144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690637868 (or 690637860 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 243104522144 its reverse (441225401342), we get a palindrome (684329923486).

It can be divided in two parts, 24310 and 4522144, that added together give a palindrome (4546454).

The spelling of 243104522144 in words is "two hundred forty-three billion, one hundred four million, five hundred twenty-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 690637847 1381275694 2762551388 5525102776 7597016317 11050205552 15194032634 22100411104 30388065268 60776130536 121552261072 243104522144