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89505108212105 = 538923874598983
BaseRepresentation
bin10100010110011110001000…
…001011100011100110001001
3102201220121022212212121212202
4110112132020023203212021
543212422430200241410
6514210025025045545
724565350006630035
oct2426361013434611
9381817285777782
1089505108212105
11265789a3213063
12a0568337868b5
133ac33ac258b91
1418160db08d1c5
15a53377427ca5
hex5167882e3989

89505108212105 has 8 divisors (see below), whose sum is σ = 107406180802752. Its totient is φ = 71604052604208.

The previous prime is 89505108212071. The next prime is 89505108212129. The reversal of 89505108212105 is 50121280150598.

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 89505108212105 - 230 = 89504034470281 is a prime.

It is a super-2 number, since 2×895051082121052 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89505108212105.

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, 17162444 + ... + 21761426.

It is an arithmetic number, because the mean of its divisors is an integer number (13425772600344).

Almost surely, 289505108212105 is an apocalyptic number.

It is an amenable number.

89505108212105 is a deficient number, since it is larger than the sum of its proper divisors (17901072590647).

89505108212105 is a wasteful number, since it uses less digits than its factorization.

89505108212105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8491375.

The product of its (nonzero) digits is 288000, while the sum is 47.

The spelling of 89505108212105 in words is "eighty-nine trillion, five hundred five billion, one hundred eight million, two hundred twelve thousand, one hundred five".

Divisors: 1 5 3892387 4598983 19461935 22994915 17901021642421 89505108212105