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1210286081 is a prime number
BaseRepresentation
bin100100000100011…
…1000000000000001
310010100100220101102
41020020320000001
54434313123311
6320032344145
741664155564
oct11010700001
93110326342
101210286081
115711a1934
122993a5055
13163986314
14b6a4a4db
15713bd43b
hex48238001

1210286081 has 2 divisors, whose sum is σ = 1210286082. Its totient is φ = 1210286080.

The previous prime is 1210286027. The next prime is 1210286101. The reversal of 1210286081 is 1806820121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 875213056 + 335073025 = 29584^2 + 18305^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210286081 - 210 = 1210285057 is a prime.

It is a super-2 number, since 2×12102860812 = 2929584795724677122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1210282081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605143040 + 605143041.

It is an arithmetic number, because the mean of its divisors is an integer number (605143041).

Almost surely, 21210286081 is an apocalyptic number.

It is an amenable number.

1210286081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210286081 is an equidigital number, since it uses as much as digits as its factorization.

1210286081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 1210286081 is about 34789.1661440742. The cubic root of 1210286081 is about 1065.6862104667.

The spelling of 1210286081 in words is "one billion, two hundred ten million, two hundred eighty-six thousand, eighty-one".