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12930688187 is a prime number
BaseRepresentation
bin11000000101011101…
…01010010010111011
31020101011101000112022
430002232222102323
5202440224010222
65535033305055
7635302015244
oct140256522273
936334330468
1012930688187
11553604446a
12260a56518b
1312b0c144b1
148a9485ccb
1550a310042
hex302baa4bb

12930688187 has 2 divisors, whose sum is σ = 12930688188. Its totient is φ = 12930688186.

The previous prime is 12930688181. The next prime is 12930688231. The reversal of 12930688187 is 78188603921.

12930688187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12930688187 - 210 = 12930687163 is a prime.

It is not a weakly prime, because it can be changed into another prime (12930688181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6465344093 + 6465344094.

It is an arithmetic number, because the mean of its divisors is an integer number (6465344094).

Almost surely, 212930688187 is an apocalyptic number.

12930688187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12930688187 is an equidigital number, since it uses as much as digits as its factorization.

12930688187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 12930688187 in words is "twelve billion, nine hundred thirty million, six hundred eighty-eight thousand, one hundred eighty-seven".