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13222210321213 = 15187564306763
BaseRepresentation
bin1100000001101000100100…
…1001100011101100111101
31201211000211120102102201021
43000122021021203230331
53213113041320234323
644042111034544141
72533162461226435
oct300321111435475
951730746372637
1013222210321213
114238565029a63
121596677598051
1374bb0658869a
14339d5bb952c5
1517de1793205d
hexc0689263b3d

13222210321213 has 4 divisors (see below), whose sum is σ = 13309774628128. Its totient is φ = 13134646014300.

The previous prime is 13222210321181. The next prime is 13222210321219. The reversal of 13222210321213 is 31212301222231.

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.

It is a cyclic number.

It is not a de Polignac number, because 13222210321213 - 25 = 13222210321181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222210321219) 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, 43782153231 + ... + 43782153532.

It is an arithmetic number, because the mean of its divisors is an integer number (3327443657032).

Almost surely, 213222210321213 is an apocalyptic number.

It is an amenable number.

13222210321213 is a deficient number, since it is larger than the sum of its proper divisors (87564306915).

13222210321213 is an equidigital number, since it uses as much as digits as its factorization.

13222210321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87564306914.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 13222210321213 its reverse (31212301222231), we get a palindrome (44434511543444).

The spelling of 13222210321213 in words is "thirteen trillion, two hundred twenty-two billion, two hundred ten million, three hundred twenty-one thousand, two hundred thirteen".

Divisors: 1 151 87564306763 13222210321213