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10664134121 is a prime number
BaseRepresentation
bin10011110111010000…
…11100010111101001
31000112012110010212102
421323220130113221
5133320004242441
64522105223145
7525160434014
oct117350342751
930465403772
1010664134121
114582697893
122097491ab5
13100c47c944
1473244237b
1542634869b
hex27ba1c5e9

10664134121 has 2 divisors, whose sum is σ = 10664134122. Its totient is φ = 10664134120.

The previous prime is 10664134111. The next prime is 10664134189. The reversal of 10664134121 is 12143146601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5930694121 + 4733440000 = 77011^2 + 68800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10664134121 is a prime.

It is a super-2 number, since 2×106641341212 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10664134111) 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 as a sum of consecutive naturals, namely, 5332067060 + 5332067061.

It is an arithmetic number, because the mean of its divisors is an integer number (5332067061).

Almost surely, 210664134121 is an apocalyptic number.

It is an amenable number.

10664134121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10664134121 is an equidigital number, since it uses as much as digits as its factorization.

10664134121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 10664134121 in words is "ten billion, six hundred sixty-four million, one hundred thirty-four thousand, one hundred twenty-one".