Search a number
-
+
2001232231093 = 2668375000271
BaseRepresentation
bin11101000111110010101…
…111000111101010110101
321002022112022111200020201
4131013302233013222311
5230242010422343333
64131204200000501
7264404254203364
oct35076257075265
97068468450221
102001232231093
11701799471297
12283a28760131
1311693b9321b4
146cc083ad7db
15370cb28317d
hex1d1f2bc7ab5

2001232231093 has 4 divisors (see below), whose sum is σ = 2001307258048. Its totient is φ = 2001157204140.

The previous prime is 2001232231087. The next prime is 2001232231121. The reversal of 2001232231093 is 3901322321002.

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 2001232231093 - 29 = 2001232230581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001232231693) 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, 37473453 + ... + 37526818.

It is an arithmetic number, because the mean of its divisors is an integer number (500326814512).

Almost surely, 22001232231093 is an apocalyptic number.

It is an amenable number.

2001232231093 is a deficient number, since it is larger than the sum of its proper divisors (75026955).

2001232231093 is an equidigital number, since it uses as much as digits as its factorization.

2001232231093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75026954.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 2001232231093 its reverse (3901322321002), we get a palindrome (5902554552095).

The spelling of 2001232231093 in words is "two trillion, one billion, two hundred thirty-two million, two hundred thirty-one thousand, ninety-three".

Divisors: 1 26683 75000271 2001232231093