Search a number
-
+
28027500299 = 229208358757
BaseRepresentation
bin11010000110100100…
…011011011100001011
32200100021200112110122
4122012210123130023
5424400020002144
620513050333455
72011355551601
oct320644333413
980307615418
1028027500299
111098287a897
12552242a28b
132848829006
1414dc4ab871
15ae08997ee
hex68691b70b

28027500299 has 8 divisors (see below), whose sum is σ = 28163884560. Its totient is φ = 27891238176.

The previous prime is 28027500269. The next prime is 28027500307. The reversal of 28027500299 is 99200572082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28027500299 - 28 = 28027500043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28027500269) by changing a digit.

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, 447629 + ... + 506385.

It is an arithmetic number, because the mean of its divisors is an integer number (3520485570).

Almost surely, 228027500299 is an apocalyptic number.

28027500299 is a deficient number, since it is larger than the sum of its proper divisors (136384261).

28027500299 is a wasteful number, since it uses less digits than its factorization.

28027500299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61069.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 28027500299 in words is "twenty-eight billion, twenty-seven million, five hundred thousand, two hundred ninety-nine".

Divisors: 1 229 2083 58757 477007 13455353 122390831 28027500299