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13212023310229 = 24934152987769
BaseRepresentation
bin1100000001000010100111…
…1101001100011110010101
31201210001112121202122202011
43000100221331030132111
53212431210431411404
644033304131544221
72532352153116112
oct300205175143625
951701477678664
1013212023310229
1142342077a3917
1215946b3a5b071
1374ab71c11133
14339672c71909
1517da1d433604
hexc0429f4c795

13212023310229 has 4 divisors (see below), whose sum is σ = 13212076547340. Its totient is φ = 13211970073120.

The previous prime is 13212023310217. The next prime is 13212023310257. The reversal of 13212023310229 is 92201332021231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10727295315025 + 2484727995204 = 3275255^2 + 1576302^2 .

It is a cyclic number.

It is not a de Polignac number, because 13212023310229 - 25 = 13212023310197 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 13212023310229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212023310029) 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, 26244544 + ... + 26743225.

It is an arithmetic number, because the mean of its divisors is an integer number (3303019136835).

Almost surely, 213212023310229 is an apocalyptic number.

It is an amenable number.

13212023310229 is a deficient number, since it is larger than the sum of its proper divisors (53237111).

13212023310229 is an equidigital number, since it uses as much as digits as its factorization.

13212023310229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53237110.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 13212023310229 in words is "thirteen trillion, two hundred twelve billion, twenty-three million, three hundred ten thousand, two hundred twenty-nine".

Divisors: 1 249341 52987769 13212023310229