Search a number
-
+
57044505178240 = 275397429752249
BaseRepresentation
bin11001111100001101101010…
…11101111011000010000000
321110222101211122110112201221
430332012311131323002000
524434104121311200430
6321153514531204424
715005221005440506
oct1476066535730200
9243871748415657
1057044505178240
11171a3491031578
126493735446714
1325aa37359b5a8
141012d7c4a4676
1568dcd260857a
hex33e1b577b080

57044505178240 has 128 divisors (see below), whose sum is σ = 136749960270000. Its totient is φ = 22754594193408.

The previous prime is 57044505178237. The next prime is 57044505178267. The reversal of 57044505178240 is 4287150544075.

57044505178240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 11546458368064 + 45498046810176 = 3398008^2 + 6745224^2 .

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1091755636 + ... + 1091807884.

Almost surely, 257044505178240 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 57044505178240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68374980135000).

57044505178240 is an abundant number, since it is smaller than the sum of its proper divisors (79705455091760).

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

57044505178240 is a wasteful number, since it uses less digits than its factorization.

57044505178240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56962 (or 56950 counting only the distinct ones).

The product of its (nonzero) digits is 6272000, while the sum is 52.

The spelling of 57044505178240 in words is "fifty-seven trillion, forty-four billion, five hundred five million, one hundred seventy-eight thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 397 640 794 1588 1985 3176 3970 4297 6352 7940 8594 12704 15880 17188 21485 25408 31760 34376 42970 50816 52249 63520 68752 85940 104498 127040 137504 171880 208996 254080 261245 275008 343760 417992 522490 550016 687520 835984 1044980 1375040 1671968 1705909 2089960 2750080 3343936 3411818 4179920 6687872 6823636 8359840 8529545 13647272 16719680 17059090 20742853 27294544 33439360 34118180 41485706 54589088 68236360 82971412 103714265 109178176 136472720 165942824 207428530 218356352 224513953 272945440 331885648 414857060 449027906 545890880 663771296 829714120 898055812 1091781760 1122569765 1327542592 1659428240 1796111624 2245139530 2655085184 3318856480 3592223248 4490279060 6637712960 7184446496 8980558120 13275425920 14368892992 17961116240 28737785984 35922232480 71844464960 89132039341 143688929920 178264078682 356528157364 445660196705 713056314728 891320393410 1426112629456 1782640786820 2852225258912 3565281573640 5704450517824 7130563147280 11408901035648 14261126294560 28522252589120 57044505178240