Search a number
-
+
20222211313 = 137869146677
BaseRepresentation
bin10010110101010101…
…100111010011110001
31221012022122202212101
4102311111213103301
5312403341230223
613142344100401
71314060650203
oct226525472361
957168582771
1020222211313
118637a02737
123b04464701
131ba373aa15
14d9ba0a773
157d55114ad
hex4b55674f1

20222211313 has 4 divisors (see below), whose sum is σ = 20222495860. Its totient is φ = 20221926768.

The previous prime is 20222211301. The next prime is 20222211323. The reversal of 20222211313 is 31311222202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2031485184 + 18190726129 = 45072^2 + 134873^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222211313 - 25 = 20222211281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222211323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64531 + ... + 211207.

It is an arithmetic number, because the mean of its divisors is an integer number (5055623965).

Almost surely, 220222211313 is an apocalyptic number.

It is an amenable number.

20222211313 is a deficient number, since it is larger than the sum of its proper divisors (284547).

20222211313 is a wasteful number, since it uses less digits than its factorization.

20222211313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284546.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20222211313 its reverse (31311222202), we get a palindrome (51533433515).

The spelling of 20222211313 in words is "twenty billion, two hundred twenty-two million, two hundred eleven thousand, three hundred thirteen".

Divisors: 1 137869 146677 20222211313