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13212213223 = 114129295373
BaseRepresentation
bin11000100111000001…
…00101111111100111
31021002210002222021111
430103200211333213
5204024311310343
610023011325451
7645260650036
oct142340457747
937083088244
1013212213223
11566aa4a390
1226888b0887
131327344061
148d4a0a71d
15524dbec9d
hex313825fe7

13212213223 has 8 divisors (see below), whose sum is σ = 14764868496. Its totient is φ = 11718148800.

The previous prime is 13212213163. The next prime is 13212213229. The reversal of 13212213223 is 32231221231.

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 13212213223 - 221 = 13210116071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13212213194 and 13212213203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212213229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14647236 + ... + 14648137.

It is an arithmetic number, because the mean of its divisors is an integer number (1845608562).

Almost surely, 213212213223 is an apocalyptic number.

13212213223 is a deficient number, since it is larger than the sum of its proper divisors (1552655273).

13212213223 is a wasteful number, since it uses less digits than its factorization.

13212213223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29295425.

The product of its digits is 864, while the sum is 22.

Adding to 13212213223 its reverse (32231221231), we get a palindrome (45443434454).

The spelling of 13212213223 in words is "thirteen billion, two hundred twelve million, two hundred thirteen thousand, two hundred twenty-three".

Divisors: 1 11 41 451 29295373 322249103 1201110293 13212213223