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13111322121313 = 1323324391177467
BaseRepresentation
bin1011111011001011011110…
…1100101001010001100001
31201102102121120201020010121
42332302313230221101201
53204303441430340223
643515131440000241
72522155533125053
oct276626754512141
951372546636117
1013111322121313
1141a5531587149
12157908b300081
13741514067110
1433483ca478d3
1517b0c788e15d
hexbecb7b29461

13111322121313 has 16 divisors (see below), whose sum is σ = 14181147017856. Its totient is φ = 12050253740160.

The previous prime is 13111322121301. The next prime is 13111322121319. The reversal of 13111322121313 is 31312122311131.

It is a cyclic number.

It is not a de Polignac number, because 13111322121313 - 217 = 13111321990241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13111322121319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73791606 + ... + 73969072.

It is an arithmetic number, because the mean of its divisors is an integer number (886321688616).

Almost surely, 213111322121313 is an apocalyptic number.

13111322121313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13111322121313 is a deficient number, since it is larger than the sum of its proper divisors (1069824896543).

13111322121313 is a wasteful number, since it uses less digits than its factorization.

13111322121313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202104.

The product of its digits is 648, while the sum is 25.

Adding to 13111322121313 its reverse (31312122311131), we get a palindrome (44423444432444).

The spelling of 13111322121313 in words is "thirteen trillion, one hundred eleven billion, three hundred twenty-two million, one hundred twenty-one thousand, three hundred thirteen".

Divisors: 1 13 233 3029 24391 177467 317083 2307071 5683103 41349811 73880339 537547543 4328597597 56271768761 1008563240101 13111322121313