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28835371229 = 732091283683
BaseRepresentation
bin11010110110101110…
…001101100011011101
32202102120211122001012
4122312232031203131
5433023323334404
621125150025005
72040365416460
oct326656154335
982376748035
1028835371229
11112578a7215
125708aa8165
132947006652
1415778c52d7
15b3b778a6e
hex6b6b8d8dd

28835371229 has 8 divisors (see below), whose sum is σ = 32965005120. Its totient is φ = 24708311136.

The previous prime is 28835371211. The next prime is 28835371231. The reversal of 28835371229 is 92217353882.

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 28835371229 - 212 = 28835367133 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 (28835371249) 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, 619379 + ... + 664304.

It is an arithmetic number, because the mean of its divisors is an integer number (4120625640).

Almost surely, 228835371229 is an apocalyptic number.

It is an amenable number.

28835371229 is a deficient number, since it is larger than the sum of its proper divisors (4129633891).

28835371229 is a wasteful number, since it uses less digits than its factorization.

28835371229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286899.

The product of its digits is 1451520, while the sum is 50.

The spelling of 28835371229 in words is "twenty-eight billion, eight hundred thirty-five million, three hundred seventy-one thousand, two hundred twenty-nine".

Divisors: 1 7 3209 22463 1283683 8985781 4119338747 28835371229