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103405506313 is a prime number
BaseRepresentation
bin110000001001101110…
…0101100111100001001
3100212220111200222200011
41200103130230330021
53143233302200223
6115300454511521
710320325205224
oct1402334547411
9325814628604
10103405506313
113a94379242a
121805a3655a1
13999c212935
14500d4625bb
152a531cd80d
hex181372cf09

103405506313 has 2 divisors, whose sum is σ = 103405506314. Its totient is φ = 103405506312.

The previous prime is 103405506247. The next prime is 103405506319. The reversal of 103405506313 is 313605504301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84790451344 + 18615054969 = 291188^2 + 136437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103405506313 is a prime.

It is not a weakly prime, because it can be changed into another prime (103405506319) 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, 51702753156 + 51702753157.

It is an arithmetic number, because the mean of its divisors is an integer number (51702753157).

Almost surely, 2103405506313 is an apocalyptic number.

It is an amenable number.

103405506313 is a deficient number, since it is larger than the sum of its proper divisors (1).

103405506313 is an equidigital number, since it uses as much as digits as its factorization.

103405506313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 103405506313 in words is "one hundred three billion, four hundred five million, five hundred six thousand, three hundred thirteen".