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13221211102313 = 47281302363879
BaseRepresentation
bin1100000001100100110110…
…0101110101110001101001
31201210221020221012212001212
43000121031211311301221
53213104020020233223
644041423542122505
72533125636061004
oct300311545656151
951727227185055
1013221211102313
1142380a1a9a015
121596438a20435
1374b9a7562bb6
14339ca51ac53b
1517dda9d57278
hexc064d975c69

13221211102313 has 4 divisors (see below), whose sum is σ = 13502513466240. Its totient is φ = 12939908738388.

The previous prime is 13221211102283. The next prime is 13221211102339. The reversal of 13221211102313 is 31320111212231.

It is a happy number.

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 13221211102313 - 228 = 13220942666857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13221211102213) 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, 140651181893 + ... + 140651181986.

It is an arithmetic number, because the mean of its divisors is an integer number (3375628366560).

Almost surely, 213221211102313 is an apocalyptic number.

It is an amenable number.

13221211102313 is a deficient number, since it is larger than the sum of its proper divisors (281302363927).

13221211102313 is an equidigital number, since it uses as much as digits as its factorization.

13221211102313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281302363926.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 13221211102313 its reverse (31320111212231), we get a palindrome (44541322314544).

The spelling of 13221211102313 in words is "thirteen trillion, two hundred twenty-one billion, two hundred eleven million, one hundred two thousand, three hundred thirteen".

Divisors: 1 47 281302363879 13221211102313