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431104431312 = 243259376913463
BaseRepresentation
bin1100100010111111101…
…00111001010011010000
31112012202102001012022100
412101133310321103100
524030400213300222
6530014024040400
743101112130142
oct6213764712320
91465672035270
10431104431312
11156915237a85
126b674003100
1331864776099
1416c19180c92
15b3324814ac
hex645fd394d0

431104431312 has 120 divisors (see below), whose sum is σ = 1227359390400. Its totient is φ = 141217887744.

The previous prime is 431104431311. The next prime is 431104431337. The reversal of 431104431312 is 213134401134.

431104431312 is a `hidden beast` number, since 4 + 311 + 0 + 4 + 4 + 31 + 312 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431104431311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32014693 + ... + 32028155.

It is an arithmetic number, because the mean of its divisors is an integer number (10227994920).

Almost surely, 2431104431312 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 431104431312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613679695200).

431104431312 is an abundant number, since it is smaller than the sum of its proper divisors (796254959088).

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

431104431312 is a wasteful number, since it uses less digits than its factorization.

431104431312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17305 (or 17296 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 431104431312 its reverse (213134401134), we get a palindrome (644238832446).

The spelling of 431104431312 in words is "four hundred thirty-one billion, one hundred four million, four hundred thirty-one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 59 72 118 144 177 236 354 472 531 708 944 1062 1416 2124 2832 3769 4248 7538 8496 11307 13463 15076 22614 26926 30152 33921 40389 45228 53852 60304 67842 80778 90456 107704 121167 135684 161556 180912 215408 222371 242334 271368 323112 444742 484668 542736 646224 667113 794317 889484 969336 1334226 1588634 1778968 1938672 2001339 2382951 2668452 3177268 3557936 4002678 4765902 5336904 6354536 7148853 8005356 9531804 10673808 12709072 14297706 16010712 19063608 28595412 32021424 38127216 50742047 57190824 101484094 114381648 152226141 202968188 304452282 405936376 456678423 608904564 811872752 913356846 1217809128 1826713692 2435618256 2993780773 3653427384 5987561546 7306854768 8981342319 11975123092 17962684638 23950246184 26944026957 35925369276 47900492368 53888053914 71850738552 107776107828 143701477104 215552215656 431104431312