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69108313 is a prime number
BaseRepresentation
bin1000001111010…
…00001001011001
311211001001210011
410013220021121
5120142431223
610505121521
71466260651
oct407501131
9154031704
1069108313
113601210a
121b1892a1
13114189c1
14926d361
15610180d
hex41e8259

69108313 has 2 divisors, whose sum is σ = 69108314. Its totient is φ = 69108312.

The previous prime is 69108311. The next prime is 69108337. The reversal of 69108313 is 31380196.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67043344 + 2064969 = 8188^2 + 1437^2 .

It is a cyclic number.

It is not a de Polignac number, because 69108313 - 21 = 69108311 is a prime.

Together with 69108311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (69108311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34554156 + 34554157.

It is an arithmetic number, because the mean of its divisors is an integer number (34554157).

Almost surely, 269108313 is an apocalyptic number.

It is an amenable number.

69108313 is a deficient number, since it is larger than the sum of its proper divisors (1).

69108313 is an equidigital number, since it uses as much as digits as its factorization.

69108313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 69108313 is about 8313.1409828055. The cubic root of 69108313 is about 410.3710957032.

The spelling of 69108313 in words is "sixty-nine million, one hundred eight thousand, three hundred thirteen".