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1693245313 is a prime number
BaseRepresentation
bin110010011101100…
…1101111110000001
311101000010202220101
41210323031332001
511431432322223
6440004042401
756650230154
oct14473157601
94330122811
101693245313
1179987a2a1
123b3093401
1320ca52c06
14120c47c9b
159d9bc4ad
hex64ecdf81

1693245313 has 2 divisors, whose sum is σ = 1693245314. Its totient is φ = 1693245312.

The previous prime is 1693245263. The next prime is 1693245329. The reversal of 1693245313 is 3135423961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1256560704 + 436684609 = 35448^2 + 20897^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1693245313 is a prime.

It is not a weakly prime, because it can be changed into another prime (1693245353) 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, 846622656 + 846622657.

It is an arithmetic number, because the mean of its divisors is an integer number (846622657).

Almost surely, 21693245313 is an apocalyptic number.

It is an amenable number.

1693245313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1693245313 is an equidigital number, since it uses as much as digits as its factorization.

1693245313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 37.

The square root of 1693245313 is about 41149.0621156789. The cubic root of 1693245313 is about 1191.9003867874.

The spelling of 1693245313 in words is "one billion, six hundred ninety-three million, two hundred forty-five thousand, three hundred thirteen".