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64011109 is a prime number
BaseRepresentation
bin1111010000101…
…1101101100101
311110110002201211
43310023231211
5112341323414
610203551421
71405041211
oct364135545
9143402654
1064011109
1133150548
121952b571
13103528c6
148703941
1559463c4
hex3d0bb65

64011109 has 2 divisors, whose sum is σ = 64011110. Its totient is φ = 64011108.

The previous prime is 64011071. The next prime is 64011113. The reversal of 64011109 is 90111046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52519009 + 11492100 = 7247^2 + 3390^2 .

It is a cyclic number.

It is not a de Polignac number, because 64011109 - 219 = 63486821 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64011109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64011119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32005554 + 32005555.

It is an arithmetic number, because the mean of its divisors is an integer number (32005555).

Almost surely, 264011109 is an apocalyptic number.

It is an amenable number.

64011109 is a deficient number, since it is larger than the sum of its proper divisors (1).

64011109 is an equidigital number, since it uses as much as digits as its factorization.

64011109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 64011109 is about 8000.6942823732. The cubic root of 64011109 is about 400.0231424110.

The spelling of 64011109 in words is "sixty-four million, eleven thousand, one hundred nine".