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82745054728 = 23712716137213
BaseRepresentation
bin100110100001111111…
…1010101011000001000
321220120122102022011121
41031003333111120020
52323430213222403
6102002413405024
75656333234420
oct1150377253010
9256518368147
1082745054728
1132101476356
1214053199774
137a58a64a5b
14400d579480
1522444a33bd
hex1343fd5608

82745054728 has 64 divisors (see below), whose sum is σ = 178842562560. Its totient is φ = 35156249856.

The previous prime is 82745054699. The next prime is 82745054729.

82745054728 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (82745054729) 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, 11468050 + ... + 11475262.

It is an arithmetic number, because the mean of its divisors is an integer number (2794415040).

Almost surely, 282745054728 is an apocalyptic number.

It is an amenable number.

82745054728 is an abundant number, since it is smaller than the sum of its proper divisors (96097507832).

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

82745054728 is a wasteful number, since it uses less digits than its factorization.

82745054728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8966 (or 8962 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 52.

The spelling of 82745054728 in words is "eighty-two billion, seven hundred forty-five million, fifty-four thousand, seven hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 56 127 254 508 889 1016 1613 1778 3226 3556 6452 7112 7213 11291 12904 14426 22582 28852 45164 50491 57704 90328 100982 201964 204851 403928 409702 819404 916051 1433957 1638808 1832102 2867914 3664204 5735828 6412357 7328408 11471656 11634569 12824714 23269138 25649428 46538276 51298856 81441983 93076552 162883966 325767932 651535864 1477590263 2955180526 5910361052 10343131841 11820722104 20686263682 41372527364 82745054728