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28584868010 = 2513212163881
BaseRepresentation
bin11010100111110010…
…100111100010101010
32201210010110202020012
4122213302213202222
5432020211234020
621044240531522
72031234240416
oct324762474252
981703422205
1028584868010
111113945a466
125659020ba2
132907148baa
141552517d46
15b247957c5
hex6a7ca78aa

28584868010 has 16 divisors (see below), whose sum is σ = 51491736072. Its totient is φ = 11425286400.

The previous prime is 28584867989. The next prime is 28584868019. The reversal of 28584868010 is 1086848582.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25677178081 + 2907689929 = 160241^2 + 53923^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28584868010.

It is not an unprimeable number, because it can be changed into a prime (28584868019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1068731 + ... + 1095150.

Almost surely, 228584868010 is an apocalyptic number.

28584868010 is a deficient number, since it is larger than the sum of its proper divisors (22906868062).

28584868010 is a wasteful number, since it uses less digits than its factorization.

28584868010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165209.

The product of its (nonzero) digits is 983040, while the sum is 50.

The spelling of 28584868010 in words is "twenty-eight billion, five hundred eighty-four million, eight hundred sixty-eight thousand, ten".

Divisors: 1 2 5 10 1321 2642 6605 13210 2163881 4327762 10819405 21638810 2858486801 5716973602 14292434005 28584868010