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28260365328008 = 2311229194592281
BaseRepresentation
bin1100110110011111000010…
…00010010101111010001000
310201001122221110010222120122
412123033201002111322020
512201004212010444013
6140034344350442412
75644513124560112
oct633174102257210
9121048843128518
1028260365328008
119006176532900
12320506b203408
13129cc30546158
146d9b47bac3b2
153401b4ad8a08
hex19b3e1095e88

28260365328008 has 24 divisors (see below), whose sum is σ = 58243211602590. Its totient is φ = 12845620603200.

The previous prime is 28260365328001. The next prime is 28260365328053. The reversal of 28260365328008 is 80082356306282.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26030832569764 + 2229532758244 = 5102042^2 + 1493162^2 .

It is not an unprimeable number, because it can be changed into a prime (28260365328001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14597295173 + ... + 14597297108.

Almost surely, 228260365328008 is an apocalyptic number.

It is an amenable number.

28260365328008 is an abundant number, since it is smaller than the sum of its proper divisors (29982846274582).

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

28260365328008 is a wasteful number, since it uses less digits than its factorization.

28260365328008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29194592309 (or 29194592294 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 53.

The spelling of 28260365328008 in words is "twenty-eight trillion, two hundred sixty billion, three hundred sixty-five million, three hundred twenty-eight thousand, eight".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 29194592281 58389184562 116778369124 233556738248 321140515091 642281030182 1284562060364 2569124120728 3532545666001 7065091332002 14130182664004 28260365328008