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10665016129 is a prime number
BaseRepresentation
bin10011110111010111…
…10011101101000001
31000112021002221202101
421323223303231001
5133320221004004
64522140150401
7525201066325
oct117353635501
930467087671
1010665016129
11458313a519
122097838401
13100c6cb241
147325d1985
1542646eba4
hex27baf3b41

10665016129 has 2 divisors, whose sum is σ = 10665016130. Its totient is φ = 10665016128.

The previous prime is 10665016111. The next prime is 10665016183. The reversal of 10665016129 is 92161056601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6618147904 + 4046868225 = 81352^2 + 63615^2 .

It is a cyclic number.

It is not a de Polignac number, because 10665016129 - 221 = 10662918977 is a prime.

It is a super-2 number, since 2×106650161292 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10665086129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5332508064 + 5332508065.

It is an arithmetic number, because the mean of its divisors is an integer number (5332508065).

Almost surely, 210665016129 is an apocalyptic number.

It is an amenable number.

10665016129 is a deficient number, since it is larger than the sum of its proper divisors (1).

10665016129 is an equidigital number, since it uses as much as digits as its factorization.

10665016129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 10665016129 in words is "ten billion, six hundred sixty-five million, sixteen thousand, one hundred twenty-nine".