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28485333392 = 2415167317519
BaseRepresentation
bin11010100001110110…
…111011000110010000
32201112012011212101212
4122201312323012100
5431314221132032
621030323315252
72025615224135
oct324166730620
981465155355
1028485333392
111109825664a
12562b81bb28
1328bc639179
14154320858c
15b1ab83bb2
hex6a1dbb190

28485333392 has 40 divisors (see below), whose sum is σ = 55641557760. Its totient is φ = 14126515200.

The previous prime is 28485333377. The next prime is 28485333403. The reversal of 28485333392 is 29333358482.

It is a super-2 number, since 2×284853333922 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28485333392.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1617209 + ... + 1634727.

It is an arithmetic number, because the mean of its divisors is an integer number (1391038944).

Almost surely, 228485333392 is an apocalyptic number.

It is an amenable number.

28485333392 is a deficient number, since it is larger than the sum of its proper divisors (27156224368).

28485333392 is a wasteful number, since it uses less digits than its factorization.

28485333392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18351 (or 18345 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 50.

The spelling of 28485333392 in words is "twenty-eight billion, four hundred eighty-five million, three hundred thirty-three thousand, three hundred ninety-two".

Divisors: 1 2 4 8 16 151 302 604 673 1208 1346 2416 2692 5384 10768 17519 35038 70076 101623 140152 203246 280304 406492 812984 1625968 2645369 5290738 10581476 11790287 21162952 23580574 42325904 47161148 94322296 188644592 1780333337 3560666674 7121333348 14242666696 28485333392