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243204430352 = 24137121178049
BaseRepresentation
bin1110001010000000011…
…1010001101000010000
3212020202100001011001112
43202200013101220100
512441040313232402
6303420534552452
723366555356232
oct3424007215020
9766670034045
10243204430352
1194162619194
123b174808728
1319c1b231970
14bab20ac252
1564d6431e52
hex38a01d1a10

243204430352 has 80 divisors (see below), whose sum is σ = 517048156800. Its totient is φ = 110141337600.

The previous prime is 243204430349. The next prime is 243204430397. The reversal of 243204430352 is 253034402342.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3077024 + ... + 3155072.

It is an arithmetic number, because the mean of its divisors is an integer number (6463101960).

Almost surely, 2243204430352 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 243204430352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258524078400).

243204430352 is an abundant number, since it is smaller than the sum of its proper divisors (273843726448).

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

243204430352 is a wasteful number, since it uses less digits than its factorization.

243204430352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78352 (or 78346 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 243204430352 its reverse (253034402342), we get a palindrome (496238832694).

The spelling of 243204430352 in words is "two hundred forty-three billion, two hundred four million, four hundred thirty thousand, three hundred fifty-two".

Divisors: 1 2 4 8 13 16 26 52 71 104 142 208 211 284 422 568 844 923 1136 1688 1846 2743 3376 3692 5486 7384 10972 14768 14981 21944 29962 43888 59924 78049 119848 156098 194753 239696 312196 389506 624392 779012 1014637 1248784 1558024 2029274 3116048 4058548 5541479 8117096 11082958 16234192 16468339 22165916 32936678 44331832 65873356 72039227 88663664 131746712 144078454 214088407 263493424 288156908 428176814 576313816 856353628 1152627632 1169252069 1712707256 2338504138 3425414512 4677008276 9354016552 15200276897 18708033104 30400553794 60801107588 121602215176 243204430352