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28205260295 = 523245263133
BaseRepresentation
bin11010010001001010…
…100001111000000111
32200210200011200100012
4122101022201320013
5430231021312140
620542440340435
72015644520402
oct322112417007
980720150305
1028205260295
1110a64152583
125571a7471b
1328765c7444
141517d40d39
15b012ae265
hex6912a1e07

28205260295 has 8 divisors (see below), whose sum is σ = 35317891296. Its totient is φ = 21583155616.

The previous prime is 28205260289. The next prime is 28205260297. The reversal of 28205260295 is 59206250282.

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 28205260295 - 26 = 28205260231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28205260297) 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, 122631452 + ... + 122631681.

It is an arithmetic number, because the mean of its divisors is an integer number (4414736412).

Almost surely, 228205260295 is an apocalyptic number.

28205260295 is a deficient number, since it is larger than the sum of its proper divisors (7112631001).

28205260295 is a wasteful number, since it uses less digits than its factorization.

28205260295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245263161.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 28205260295 in words is "twenty-eight billion, two hundred five million, two hundred sixty thousand, two hundred ninety-five".

Divisors: 1 5 23 115 245263133 1226315665 5641052059 28205260295