Search a number
-
+
854943282349457 = 77910183111841779
BaseRepresentation
bin1100001001100100001111111…
…0101001011100010110010001
311011010002210001022112110001212
43002121003332221130112101
51344024342320240140312
612230151304415505505
7345036420351103430
oct30231037651342621
94133083038473055
10854943282349457
11228458456619584
127ba7989b528295
132a907a61b67c62
1411119693293117
1568c9084103822
hex30990fea5c591

854943282349457 has 32 divisors (see below), whose sum is σ = 999363383500800. Its totient is φ = 716282198424000.

The previous prime is 854943282349417. The next prime is 854943282349463. The reversal of 854943282349457 is 754943282349458.

It is a cyclic number.

It is not a de Polignac number, because 854943282349457 - 214 = 854943282333073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (854943282349417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 463273394 + ... + 465115172.

It is an arithmetic number, because the mean of its divisors is an integer number (31230105734400).

Almost surely, 2854943282349457 is an apocalyptic number.

It is an amenable number.

854943282349457 is a deficient number, since it is larger than the sum of its proper divisors (144420101151343).

854943282349457 is a wasteful number, since it uses less digits than its factorization.

854943282349457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850277.

The product of its digits is 8360755200, while the sum is 77.

Subtracting from 854943282349457 its reverse (754943282349458), we obtain a palindrome (99999999999999).

The spelling of 854943282349457 in words is "eight hundred fifty-four trillion, nine hundred forty-three billion, two hundred eighty-two million, three hundred forty-nine thousand, four hundred fifty-seven".

Divisors: 1 7 79 101 553 707 7979 8311 55853 58177 656569 839411 1841779 4595983 5875877 12892453 66313469 145500541 186019679 464194283 1018503787 1302137753 14695554641 15307025269 102868882487 107149176883 1209254996251 1546009552169 8464784973757 10822066865183 122134754621351 854943282349457