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28234651315 = 513434379251
BaseRepresentation
bin11010010010111010…
…101001011010110011
32200212201110220020111
4122102322221122303
5430311032320230
620545410322151
72016452401453
oct322272513263
980781426214
1028234651315
1110a797a7482
12557b889357
13287c718190
14151bbd1d63
15b03b6792a
hex692ea96b3

28234651315 has 8 divisors (see below), whose sum is σ = 36487857168. Its totient is φ = 20850204000.

The previous prime is 28234651283. The next prime is 28234651349. The reversal of 28234651315 is 51315643282.

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

It is not a de Polignac number, because 28234651315 - 25 = 28234651283 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 217189561 + ... + 217189690.

It is an arithmetic number, because the mean of its divisors is an integer number (4560982146).

Almost surely, 228234651315 is an apocalyptic number.

28234651315 is a deficient number, since it is larger than the sum of its proper divisors (8253205853).

28234651315 is a wasteful number, since it uses less digits than its factorization.

28234651315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434379269.

The product of its digits is 172800, while the sum is 40.

The spelling of 28234651315 in words is "twenty-eight billion, two hundred thirty-four million, six hundred fifty-one thousand, three hundred fifteen".

Divisors: 1 5 13 65 434379251 2171896255 5646930263 28234651315