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12105276929 is a prime number
BaseRepresentation
bin10110100011000011…
…11101111000000001
31011020122012210010222
423101201331320001
5144242422330204
65321110032425
7605660104364
oct132141757001
934218183128
1012105276929
1151521277a9
12241a048715
1311abc05175
1482b9c40db
154acb18abe
hex2d187de01

12105276929 has 2 divisors, whose sum is σ = 12105276930. Its totient is φ = 12105276928.

The previous prime is 12105276899. The next prime is 12105276959. The reversal of 12105276929 is 92967250121.

It is a balanced prime because it is at equal distance from previous prime (12105276899) and next prime (12105276959).

It can be written as a sum of positive squares in only one way, i.e., 6080412529 + 6024864400 = 77977^2 + 77620^2 .

It is an emirp because it is prime and its reverse (92967250121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12105276929 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 12105276929.

It is not a weakly prime, because it can be changed into another prime (12105276959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6052638464 + 6052638465.

It is an arithmetic number, because the mean of its divisors is an integer number (6052638465).

Almost surely, 212105276929 is an apocalyptic number.

It is an amenable number.

12105276929 is a deficient number, since it is larger than the sum of its proper divisors (1).

12105276929 is an equidigital number, since it uses as much as digits as its factorization.

12105276929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 12105276929 in words is "twelve billion, one hundred five million, two hundred seventy-six thousand, nine hundred twenty-nine".