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12611306670341 = 30109418855049
BaseRepresentation
bin1011011110000100110001…
…1101000100100100000101
31122122121222122102112010212
42313201030131010210011
53123110424001422331
642453315421325205
72441064635664011
oct267411435044405
948577878375125
1012611306670341
114022474926155
1214b81a5106805
13706319969672
14318567761541
1516d0b0707d2b
hexb784c744905

12611306670341 has 4 divisors (see below), whose sum is σ = 12611725555500. Its totient is φ = 12610887785184.

The previous prime is 12611306670311. The next prime is 12611306670349. The reversal of 12611306670341 is 14307660311621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3559957636225 + 9051349034116 = 1886785^2 + 3008546^2 .

It is a cyclic number.

It is not a de Polignac number, because 12611306670341 - 238 = 12336428763397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12611306670349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209397416 + ... + 209457633.

It is an arithmetic number, because the mean of its divisors is an integer number (3152931388875).

Almost surely, 212611306670341 is an apocalyptic number.

It is an amenable number.

12611306670341 is a deficient number, since it is larger than the sum of its proper divisors (418885159).

12611306670341 is an equidigital number, since it uses as much as digits as its factorization.

12611306670341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418885158.

The product of its (nonzero) digits is 108864, while the sum is 41.

Adding to 12611306670341 its reverse (14307660311621), we get a palindrome (26918966981962).

The spelling of 12611306670341 in words is "twelve trillion, six hundred eleven billion, three hundred six million, six hundred seventy thousand, three hundred forty-one".

Divisors: 1 30109 418855049 12611306670341