Search a number
-
+
108757901889 = 32713267152461
BaseRepresentation
bin110010101001001111…
…0011110001001000001
3101101201112011212002100
41211102132132021001
53240214010330024
6121543535141013
710600056625110
oct1452236361101
9341645155070
10108757901889
114214000044a
12190b2974769
13a343085c00
14539a255c77
152c680437c9
hex195279e241

108757901889 has 72 divisors (see below), whose sum is σ = 197312661312. Its totient is φ = 56510213760.

The previous prime is 108757901827. The next prime is 108757901899. The reversal of 108757901889 is 988109757801.

It is not a de Polignac number, because 108757901889 - 29 = 108757901377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (108757901899) 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 71 ways as a sum of consecutive naturals, for example, 637119 + ... + 789579.

Almost surely, 2108757901889 is an apocalyptic number.

It is an amenable number.

108757901889 is a deficient number, since it is larger than the sum of its proper divisors (88554759423).

108757901889 is a wasteful number, since it uses less digits than its factorization.

108757901889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152567 (or 152551 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 63.

The spelling of 108757901889 in words is "one hundred eight billion, seven hundred fifty-seven million, nine hundred one thousand, eight hundred eighty-nine".

Divisors: 1 3 7 9 13 21 39 63 67 91 117 169 201 273 469 507 603 819 871 1183 1407 1521 2613 3549 4221 6097 7839 10647 11323 18291 33969 54873 79261 101907 152461 237783 457383 713349 1067227 1372149 1981993 3201681 5945979 9605043 10214887 13873951 17837937 25765909 30644661 41621853 71504209 77297727 91933983 124865559 132793531 180361363 214512627 231893181 398380593 541084089 643537881 929554717 1195141779 1623252267 1726315903 2788664151 5178947709 8365992453 12084211321 15536843127 36252633963 108757901889