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12002001000985 = 52400400200197
BaseRepresentation
bin1010111010100110111100…
…0000011001101000011001
31120111101021002022111010001
42232221233000121220121
53033120044224012420
641305350530253001
72346054526153432
oct256515700315031
946441232274101
1012002001000985
113908024745526
12141a099a27161
13690a26127738
142d6c85658489
1515c2ed92eb0a
hexaea6f019a19

12002001000985 has 4 divisors (see below), whose sum is σ = 14402401201188. Its totient is φ = 9601600800784.

The previous prime is 12002001000929. The next prime is 12002001001103. The reversal of 12002001000985 is 58900010020021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2045117365776 + 9956883635209 = 1430076^2 + 3155453^2 .

It is a cyclic number.

It is not a de Polignac number, because 12002001000985 - 217 = 12002000869913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200200100094 + ... + 1200200100103.

It is an arithmetic number, because the mean of its divisors is an integer number (3600600300297).

Almost surely, 212002001000985 is an apocalyptic number.

It is an amenable number.

12002001000985 is a deficient number, since it is larger than the sum of its proper divisors (2400400200203).

12002001000985 is an equidigital number, since it uses as much as digits as its factorization.

12002001000985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400400200202.

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 12002001000985 in words is "twelve trillion, two billion, one million, nine hundred eighty-five", and thus it is an aban number.

Divisors: 1 5 2400400200197 12002001000985