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2113000221001 = 9721783507433
BaseRepresentation
bin11110101111111000101…
…000001010100101001001
321111000000121200211211111
4132233320220022211021
5234104411024033001
64254410543530321
7305442054351355
oct36577050124511
97430017624744
102113000221001
117451335a238a
122a161b5b99a1
131243414c2277
14743ac2d6465
1539e6d6ae851
hex1ebf8a0a949

2113000221001 has 4 divisors (see below), whose sum is σ = 2134783728532. Its totient is φ = 2091216713472.

The previous prime is 2113000220959. The next prime is 2113000221089. The reversal of 2113000221001 is 1001220003112.

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 563323801401 + 1549676419600 = 750549^2 + 1244860^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113000221001 - 213 = 2113000212809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113000251001) 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, 10891753620 + ... + 10891753813.

It is an arithmetic number, because the mean of its divisors is an integer number (533695932133).

Almost surely, 22113000221001 is an apocalyptic number.

It is an amenable number.

2113000221001 is a deficient number, since it is larger than the sum of its proper divisors (21783507531).

2113000221001 is an equidigital number, since it uses as much as digits as its factorization.

2113000221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21783507530.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2113000221001 its reverse (1001220003112), we get a palindrome (3114220224113).

The spelling of 2113000221001 in words is "two trillion, one hundred thirteen billion, two hundred twenty-one thousand, one".

Divisors: 1 97 21783507433 2113000221001