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13221432212213 = 119312798664979
BaseRepresentation
bin1100000001100101101011…
…0001010011101011110101
31201210221211100021101211102
43000121122301103223311
53213104443121242323
644041501521215445
72533134262346201
oct300313261235365
951727740241742
1013221432212213
1142381a5890175
12159649aa91585
1374ba112cb864
14339cc66c7b01
1517ddbe481328
hexc065ac53af5

13221432212213 has 8 divisors (see below), whose sum is σ = 13242862233600. Its totient is φ = 13200019525728.

The previous prime is 13221432212161. The next prime is 13221432212221. The reversal of 13221432212213 is 31221223412231.

13221432212213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13221432212213 - 28 = 13221432211957 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 (13221432212243) 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, 2806643 + ... + 5858336.

It is an arithmetic number, because the mean of its divisors is an integer number (1655357779200).

Almost surely, 213221432212213 is an apocalyptic number.

It is an amenable number.

13221432212213 is a deficient number, since it is larger than the sum of its proper divisors (21430021387).

13221432212213 is a wasteful number, since it uses less digits than its factorization.

13221432212213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8667451.

The product of its digits is 6912, while the sum is 29.

Adding to 13221432212213 its reverse (31221223412231), we get a palindrome (44442655624444).

The spelling of 13221432212213 in words is "thirteen trillion, two hundred twenty-one billion, four hundred thirty-two million, two hundred twelve thousand, two hundred thirteen".

Divisors: 1 1193 1279 1525847 8664979 10337319947 11082508141 13221432212213