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13220303211 = 321468922579
BaseRepresentation
bin11000100111111110…
…11101000101101011
31021010100022222122200
430103333131011223
5204033344200321
610023500551243
7645416503023
oct142377350553
937110288580
1013220303211
115674575525
12268b552523
131328c1742b
148d5b14a83
1552596bd26
hex313fdd16b

13220303211 has 6 divisors (see below), whose sum is σ = 19095993540. Its totient is φ = 8813535468.

The previous prime is 13220303203. The next prime is 13220303251. The reversal of 13220303211 is 11230302231.

13220303211 is a `hidden beast` number, since 132 + 20 + 303 + 211 = 666.

It is not a de Polignac number, because 13220303211 - 23 = 13220303203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13220303251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 734461281 + ... + 734461298.

It is an arithmetic number, because the mean of its divisors is an integer number (3182665590).

Almost surely, 213220303211 is an apocalyptic number.

13220303211 is a deficient number, since it is larger than the sum of its proper divisors (5875690329).

13220303211 is a wasteful number, since it uses less digits than its factorization.

13220303211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468922585 (or 1468922582 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13220303211 its reverse (11230302231), we get a palindrome (24450605442).

The spelling of 13220303211 in words is "thirteen billion, two hundred twenty million, three hundred three thousand, two hundred eleven".

Divisors: 1 3 9 1468922579 4406767737 13220303211