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10660993129 is a prime number
BaseRepresentation
bin10011110110111000…
…11101100001101001
31000111222112120020101
421323130131201221
5133313203240004
64521514025401
7525121642423
oct117334354151
930458476211
1010660993129
114580941a26
122096418261
13100b920077
14731c65813
15425e27ba4
hex27b71d869

10660993129 has 2 divisors, whose sum is σ = 10660993130. Its totient is φ = 10660993128.

The previous prime is 10660993099. The next prime is 10660993151. The reversal of 10660993129 is 92139906601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10639509904 + 21483225 = 103148^2 + 4635^2 .

It is an emirp because it is prime and its reverse (92139906601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10660993129 - 225 = 10627438697 is a prime.

It is a super-2 number, since 2×106609931292 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10660993169) 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, 5330496564 + 5330496565.

It is an arithmetic number, because the mean of its divisors is an integer number (5330496565).

Almost surely, 210660993129 is an apocalyptic number.

It is an amenable number.

10660993129 is a deficient number, since it is larger than the sum of its proper divisors (1).

10660993129 is an equidigital number, since it uses as much as digits as its factorization.

10660993129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 46.

The spelling of 10660993129 in words is "ten billion, six hundred sixty million, nine hundred ninety-three thousand, one hundred twenty-nine".