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20221223313 = 337182173183
BaseRepresentation
bin10010110101010001…
…110110000110010001
31221012020210120120210
4102311101312012101
5312403113121223
613142310554333
71314046363554
oct226521660621
957166716523
1020221223313
118637398405
123b040689a9
131ba34830c5
14d9b83069b
157d53b8893
hex4b5476191

20221223313 has 8 divisors (see below), whose sum is σ = 27690323968. Its totient is φ = 13116469104.

The previous prime is 20221223311. The next prime is 20221223383. The reversal of 20221223313 is 31332212202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20221223313 - 21 = 20221223311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20221223313.

It is not an unprimeable number, because it can be changed into a prime (20221223311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91086481 + ... + 91086702.

It is an arithmetic number, because the mean of its divisors is an integer number (3461290496).

Almost surely, 220221223313 is an apocalyptic number.

It is an amenable number.

20221223313 is a deficient number, since it is larger than the sum of its proper divisors (7469100655).

20221223313 is a wasteful number, since it uses less digits than its factorization.

20221223313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182173223.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20221223313 its reverse (31332212202), we get a palindrome (51553435515).

The spelling of 20221223313 in words is "twenty billion, two hundred twenty-one million, two hundred twenty-three thousand, three hundred thirteen".

Divisors: 1 3 37 111 182173183 546519549 6740407771 20221223313