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1819064101 is a prime number
BaseRepresentation
bin110110001101100…
…1011011100100101
311200202220000211111
41230123023130211
512211140022401
6500300505021
763035534611
oct15433133445
94622800744
101819064101
118538a5868
1242924b171
1322cb364ba
1413383a341
15a9a71e51
hex6c6cb725

1819064101 has 2 divisors, whose sum is σ = 1819064102. Its totient is φ = 1819064100.

The previous prime is 1819064083. The next prime is 1819064119. The reversal of 1819064101 is 1014609181.

It is a balanced prime because it is at equal distance from previous prime (1819064083) and next prime (1819064119).

It can be written as a sum of positive squares in only one way, i.e., 1143116100 + 675948001 = 33810^2 + 25999^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1819064101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1819064201) 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, 909532050 + 909532051.

It is an arithmetic number, because the mean of its divisors is an integer number (909532051).

Almost surely, 21819064101 is an apocalyptic number.

It is an amenable number.

1819064101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1819064101 is an equidigital number, since it uses as much as digits as its factorization.

1819064101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 1819064101 is about 42650.4876994390. The cubic root of 1819064101 is about 1220.7198343089.

The spelling of 1819064101 in words is "one billion, eight hundred nineteen million, sixty-four thousand, one hundred one".