Search a number
-
+
20223213313 = 30765873659
BaseRepresentation
bin10010110101011001…
…011011111100000001
31221012101112200100111
4102311121123330001
5312404120311223
613142421351321
71314102322402
oct226531337401
957171480314
1020223213313
118638527536
123b04868541
131ba39cbb14
14d9bbcb9a9
157d565d30d
hex4b565bf01

20223213313 has 4 divisors (see below), whose sum is σ = 20289087280. Its totient is φ = 20157339348.

The previous prime is 20223213301. The next prime is 20223213317. The reversal of 20223213313 is 31331232202.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31331232202 = 215665616101.

It is a cyclic number.

It is not a de Polignac number, because 20223213313 - 25 = 20223213281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20223213317) 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, 32936523 + ... + 32937136.

It is an arithmetic number, because the mean of its divisors is an integer number (5072271820).

Almost surely, 220223213313 is an apocalyptic number.

It is an amenable number.

20223213313 is a deficient number, since it is larger than the sum of its proper divisors (65873967).

20223213313 is an equidigital number, since it uses as much as digits as its factorization.

20223213313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65873966.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20223213313 its reverse (31331232202), we get a palindrome (51554445515).

The spelling of 20223213313 in words is "twenty billion, two hundred twenty-three million, two hundred thirteen thousand, three hundred thirteen".

Divisors: 1 307 65873659 20223213313