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12491770703 is a prime number
BaseRepresentation
bin10111010001001000…
…10100101101001111
31012020120110200221012
423220210110231033
5201040343130303
65423313555435
7621362204366
oct135044245517
935216420835
1012491770703
115330308245
122507575b7b
131240cc7cc9
148670707dd
154d1a105d8
hex2e8914b4f

12491770703 has 2 divisors, whose sum is σ = 12491770704. Its totient is φ = 12491770702.

The previous prime is 12491770679. The next prime is 12491770717. The reversal of 12491770703 is 30707719421.

12491770703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12491770703 - 26 = 12491770639 is a prime.

It is a super-2 number, since 2×124917707032 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12491770003) 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, 6245885351 + 6245885352.

It is an arithmetic number, because the mean of its divisors is an integer number (6245885352).

Almost surely, 212491770703 is an apocalyptic number.

12491770703 is a deficient number, since it is larger than the sum of its proper divisors (1).

12491770703 is an equidigital number, since it uses as much as digits as its factorization.

12491770703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 41.

The spelling of 12491770703 in words is "twelve billion, four hundred ninety-one million, seven hundred seventy thousand, seven hundred three".