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57272475761824 = 256789493160869
BaseRepresentation
bin11010000010110110010011…
…00100101011110010100000
321111210012021022100002122111
431001123021210223302200
530001323012243334244
6321450340120045104
715030541224433441
oct1501331144536240
9244705238302574
1057272475761824
1117281136528154
12650b958303794
1325c5a046a902b
1410200072792c8
15694bc6432e34
hex3416c992bca0

57272475761824 has 96 divisors (see below), whose sum is σ = 115749291470400. Its totient is φ = 27885763614720.

The previous prime is 57272475761821. The next prime is 57272475761863. The reversal of 57272475761824 is 42816757427275.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a self number, because there is not a number n which added to its sum of digits gives 57272475761824.

It is not an unprimeable number, because it can be changed into a prime (57272475761821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 940883262 + ... + 940944130.

It is an arithmetic number, because the mean of its divisors is an integer number (1205721786150).

Almost surely, 257272475761824 is an apocalyptic number.

It is an amenable number.

57272475761824 is an abundant number, since it is smaller than the sum of its proper divisors (58476815708576).

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

57272475761824 is a wasteful number, since it uses less digits than its factorization.

57272475761824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65966 (or 65958 counting only the distinct ones).

The product of its digits is 368793600, while the sum is 67.

The spelling of 57272475761824 in words is "fifty-seven trillion, two hundred seventy-two billion, four hundred seventy-five million, seven hundred sixty-one thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 16 32 67 89 134 178 268 356 536 712 1072 1424 2144 2848 4931 5963 9862 11926 19724 23852 39448 47704 60869 78896 95408 121738 157792 190816 243476 330377 438859 486952 660754 877718 973904 1321508 1755436 1947808 2643016 3510872 4078223 5286032 5417341 7021744 8156446 10572064 10834682 14043488 16312892 21669364 29403553 32625784 43338728 58807106 65251568 86677456 117614212 130503136 173354912 235228424 300145039 362961847 470456848 600290078 725923694 940913696 1200580156 1451847388 2401160312 2903694776 4802320624 5807389552 9604641248 11614779104 20109717613 26712908471 40219435226 53425816942 80438870452 106851633884 160877740904 213703267768 321755481808 427406535536 643510963616 854813071072 1789764867557 3579529735114 7159059470228 14318118940456 28636237880912 57272475761824