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13122313003121 = 761729271038017
BaseRepresentation
bin1011111011110100011011…
…0011100010000001110001
31201110110222112222212120012
42332331012303202001301
53204443444112044441
643524150220424305
72523025102103210
oct276750663420161
951413875885505
1013122313003121
1141aa161657343
12157b2380a8095
1374257611b38a
143351a2623077
1517b51c72b9eb
hexbef46ce2071

13122313003121 has 16 divisors (see below), whose sum is σ = 15026381784576. Its totient is φ = 11225619879936.

The previous prime is 13122313003109. The next prime is 13122313003159. The reversal of 13122313003121 is 12130031322131.

It is a de Polignac number, because none of the positive numbers 2k-13122313003121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13122313005121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12122705 + ... + 13160721.

It is an arithmetic number, because the mean of its divisors is an integer number (939148861536).

Almost surely, 213122313003121 is an apocalyptic number.

It is an amenable number.

13122313003121 is a deficient number, since it is larger than the sum of its proper divisors (1904068781455).

13122313003121 is a wasteful number, since it uses less digits than its factorization.

13122313003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041568.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13122313003121 its reverse (12130031322131), we get a palindrome (25252344325252).

The spelling of 13122313003121 in words is "thirteen trillion, one hundred twenty-two billion, three hundred thirteen million, three thousand, one hundred twenty-one".

Divisors: 1 7 617 2927 4319 20489 1038017 1805959 7266119 12641713 640456489 3038275759 4483195423 21267930313 1874616143303 13122313003121