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10664361121 is a prime number
BaseRepresentation
bin10011110111010010…
…10011110010100001
31000112012212200020211
421323221103302201
5133320034023441
64522114134121
7525162400561
oct117351236241
930465780224
1010664361121
114582832397
122097581341
13100c52c06b
147324a0da1
15426390a81
hex27ba53ca1

10664361121 has 2 divisors, whose sum is σ = 10664361122. Its totient is φ = 10664361120.

The previous prime is 10664361109. The next prime is 10664361151. The reversal of 10664361121 is 12116346601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9459507600 + 1204853521 = 97260^2 + 34711^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10664361121 is a prime.

It is a super-2 number, since 2×106643611212 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10664361151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5332180560 + 5332180561.

It is an arithmetic number, because the mean of its divisors is an integer number (5332180561).

Almost surely, 210664361121 is an apocalyptic number.

It is an amenable number.

10664361121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10664361121 is an equidigital number, since it uses as much as digits as its factorization.

10664361121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 10664361121 in words is "ten billion, six hundred sixty-four million, three hundred sixty-one thousand, one hundred twenty-one".