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11000212001 = 23478270087
BaseRepresentation
bin10100011111010100…
…11110101000100001
31001101121211200001022
422033222132220201
5140012023241001
65015312415225
7536411154632
oct121752365041
931347750038
1011000212001
1147353730a9
12216bb47515
131063c9ccac
14764d27889
15445ad211b
hex28fa9ea21

11000212001 has 4 divisors (see below), whose sum is σ = 11478482112. Its totient is φ = 10521941892.

The previous prime is 11000211979. The next prime is 11000212007. The reversal of 11000212001 is 10021200011.

11000212001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2k-11000212001 is a prime.

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 11000212001.

It is not an unprimeable number, because it can be changed into a prime (11000212007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239135021 + ... + 239135066.

It is an arithmetic number, because the mean of its divisors is an integer number (2869620528).

Almost surely, 211000212001 is an apocalyptic number.

It is an amenable number.

11000212001 is a deficient number, since it is larger than the sum of its proper divisors (478270111).

11000212001 is an equidigital number, since it uses as much as digits as its factorization.

11000212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478270110.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11000212001 its reverse (10021200011), we get a palindrome (21021412012).

The spelling of 11000212001 in words is "eleven billion, two hundred twelve thousand, one".

Divisors: 1 23 478270087 11000212001