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201000201012001 = 207923966704987
BaseRepresentation
bin101101101100111100000001…
…100101001100001100100001
3222100200102122121021221200101
4231230330001211030030201
5202321141402424341001
61551254115000222401
760223533233534416
oct5554740145141441
9870612577257611
10201000201012001
1159054785452566
121a66322876aa01
1388203120a7521
14378c666a3410d
1518387232aea01
hexb6cf0194c321

201000201012001 has 4 divisors (see below), whose sum is σ = 201001167924912. Its totient is φ = 200999234099092.

The previous prime is 201000201011989. The next prime is 201000201012029. The reversal of 201000201012001 is 100210102000102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201000201012001 - 211 = 201000201009953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201000201012101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483144571 + ... + 483560416.

It is an arithmetic number, because the mean of its divisors is an integer number (50250291981228).

Almost surely, 2201000201012001 is an apocalyptic number.

It is an amenable number.

201000201012001 is a deficient number, since it is larger than the sum of its proper divisors (966912911).

201000201012001 is an equidigital number, since it uses as much as digits as its factorization.

201000201012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966912910.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201000201012001 its reverse (100210102000102), we get a palindrome (301210303012103).

The spelling of 201000201012001 in words is "two hundred one trillion, two hundred one million, twelve thousand, one".

Divisors: 1 207923 966704987 201000201012001