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28094232264 = 2337167227573
BaseRepresentation
bin11010001010100010…
…111111011011001000
32200111221020212111220
4122022202333123020
5430014110413024
620523432522040
72013126014460
oct321242773310
980457225456
1028094232264
1110a0750957a
125540850320
1328595c2197
1415072bcba0
15ae667be79
hex68a8bf6c8

28094232264 has 32 divisors (see below), whose sum is σ = 80269235520. Its totient is φ = 8026923456.

The previous prime is 28094232253. The next prime is 28094232269. The reversal of 28094232264 is 46223249082.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (28094232269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83613619 + ... + 83613954.

It is an arithmetic number, because the mean of its divisors is an integer number (2508413610).

Almost surely, 228094232264 is an apocalyptic number.

28094232264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28094232264 is an abundant number, since it is smaller than the sum of its proper divisors (52175003256).

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

28094232264 is a wasteful number, since it uses less digits than its factorization.

28094232264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167227589 (or 167227585 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 28094232264 in words is "twenty-eight billion, ninety-four million, two hundred thirty-two thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 167227573 334455146 501682719 668910292 1003365438 1170593011 1337820584 2006730876 2341186022 3511779033 4013461752 4682372044 7023558066 9364744088 14047116132 28094232264