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20223322313 = 85723597809
BaseRepresentation
bin10010110101011001…
…110110100011001001
31221012101202012212112
4102311121312203021
5312404132303223
613142423552105
71314103255235
oct226531664311
957171665775
1020223322313
1186385a1417
123b048bb635
131ba3a3960c
14d9bc195c5
157d5680778
hex4b56768c9

20223322313 has 4 divisors (see below), whose sum is σ = 20246920980. Its totient is φ = 20199723648.

The previous prime is 20223322271. The next prime is 20223322319. The reversal of 20223322313 is 31322332202.

Adding to 20223322313 its reverse (31322332202), we get a palindrome (51545654515).

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 12178667449 + 8044654864 = 110357^2 + 89692^2 .

It is a cyclic number.

It is not a de Polignac number, because 20223322313 - 216 = 20223256777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20223322319) 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, 11798048 + ... + 11799761.

It is an arithmetic number, because the mean of its divisors is an integer number (5061730245).

Almost surely, 220223322313 is an apocalyptic number.

It is an amenable number.

20223322313 is a deficient number, since it is larger than the sum of its proper divisors (23598667).

20223322313 is an equidigital number, since it uses as much as digits as its factorization.

20223322313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23598666.

The product of its (nonzero) digits is 2592, while the sum is 23.

The spelling of 20223322313 in words is "twenty billion, two hundred twenty-three million, three hundred twenty-two thousand, three hundred thirteen".

Divisors: 1 857 23597809 20223322313