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1312583983 is a prime number
BaseRepresentation
bin100111000111100…
…0111000100101111
310101110212011201121
41032033013010233
510142010141413
6334125121411
744345531314
oct11617070457
93343764647
101312583983
11613a12857
123076b9267
1317bc22a19
14c6478d0b
157a378b8d
hex4e3c712f

1312583983 has 2 divisors, whose sum is σ = 1312583984. Its totient is φ = 1312583982.

The previous prime is 1312583977. The next prime is 1312584041. The reversal of 1312583983 is 3893852131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1312583983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312583903) 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, 656291991 + 656291992.

It is an arithmetic number, because the mean of its divisors is an integer number (656291992).

Almost surely, 21312583983 is an apocalyptic number.

1312583983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312583983 is an equidigital number, since it uses as much as digits as its factorization.

1312583983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 43.

The square root of 1312583983 is about 36229.6009224501. The cubic root of 1312583983 is about 1094.9031371822.

The spelling of 1312583983 in words is "one billion, three hundred twelve million, five hundred eighty-three thousand, nine hundred eighty-three".