Search a number
-
+
2223231021313 = 2509788585529
BaseRepresentation
bin100000010110100010111…
…001010011000100000001
321212112112210101200201021
4200112202321103010001
5242411134120140223
64421201020305441
7316423510610131
oct40264271230401
97775483350637
102223231021313
11787959a52155
122baa636a2281
1313185a76b7b3
1479867dd8ac1
153cc70b9765d
hex205a2e53101

2223231021313 has 4 divisors (see below), whose sum is σ = 2223319631940. Its totient is φ = 2223142410688.

The previous prime is 2223231021299. The next prime is 2223231021371. The reversal of 2223231021313 is 3131201323222.

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 522249038224 + 1700981983089 = 722668^2 + 1304217^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223231021313 - 225 = 2223197466881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2223231021373) 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, 44267668 + ... + 44317861.

It is an arithmetic number, because the mean of its divisors is an integer number (555829907985).

Almost surely, 22223231021313 is an apocalyptic number.

It is an amenable number.

2223231021313 is a deficient number, since it is larger than the sum of its proper divisors (88610627).

2223231021313 is an equidigital number, since it uses as much as digits as its factorization.

2223231021313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88610626.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2223231021313 its reverse (3131201323222), we get a palindrome (5354432344535).

The spelling of 2223231021313 in words is "two trillion, two hundred twenty-three billion, two hundred thirty-one million, twenty-one thousand, three hundred thirteen".

Divisors: 1 25097 88585529 2223231021313