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28469752199 = 73233608791
BaseRepresentation
bin11010100000111011…
…011111000110000111
32201111002212021000122
4122200323133012013
5431301224032244
621025005332155
72025335621000
oct324073370607
981432767018
1028469752199
111108a484229
12562656705b
1328b9342125
1415411101a7
15b196071ee
hex6a0edf187

28469752199 has 16 divisors (see below), whose sum is σ = 34644403200. Its totient is φ = 23341653720.

The previous prime is 28469752147. The next prime is 28469752271. The reversal of 28469752199 is 99125796482.

It is not a de Polignac number, because 28469752199 - 212 = 28469748103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28469752099) 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 15 ways as a sum of consecutive naturals, for example, 1796507 + ... + 1812284.

It is an arithmetic number, because the mean of its divisors is an integer number (2165275200).

Almost surely, 228469752199 is an apocalyptic number.

28469752199 is a deficient number, since it is larger than the sum of its proper divisors (6174651001).

28469752199 is an equidigital number, since it uses as much as digits as its factorization.

28469752199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3608835 (or 3608821 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 62.

The spelling of 28469752199 in words is "twenty-eight billion, four hundred sixty-nine million, seven hundred fifty-two thousand, one hundred ninety-nine".

Divisors: 1 7 23 49 161 343 1127 7889 3608791 25261537 83002193 176830759 581015351 1237815313 4067107457 28469752199