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28808862026605 = 511006352349767
BaseRepresentation
bin1101000110011100101011…
…11111001100101101101101
310210000002201010110020121021
412203032111333030231231
512234001022134322410
6141134335234334141
76032241312564343
oct643162577145555
9123002633406537
1028808862026605
1191a78516287a1
12329342572a351
13130c882b56a8b
147184dbbdd993
1534e5b8113eda
hex1a3395fccb6d

28808862026605 has 8 divisors (see below), whose sum is σ = 34570949190912. Its totient is φ = 23046879781968.

The previous prime is 28808862026591. The next prime is 28808862026701. The reversal of 28808862026605 is 50662026880882.

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 28808862026605 - 29 = 28808862026093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25624569 + ... + 26725198.

It is an arithmetic number, because the mean of its divisors is an integer number (4321368648864).

Almost surely, 228808862026605 is an apocalyptic number.

It is an amenable number.

28808862026605 is a deficient number, since it is larger than the sum of its proper divisors (5762087164307).

28808862026605 is a wasteful number, since it uses less digits than its factorization.

28808862026605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52459835.

The product of its (nonzero) digits is 35389440, while the sum is 61.

The spelling of 28808862026605 in words is "twenty-eight trillion, eight hundred eight billion, eight hundred sixty-two million, twenty-six thousand, six hundred five".

Divisors: 1 5 110063 550315 52349767 261748835 5761772405321 28808862026605