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12467285641 is a prime number
BaseRepresentation
bin10111001110001101…
…11010111010001001
31012011212101201202001
423213012322322021
5201013111120031
65421041111001
7620644115356
oct134706727211
935155351661
1012467285641
115318504258
1224bb328461
131238c042c5
14863ad962d
154ce7c5861
hex2e71bae89

12467285641 has 2 divisors, whose sum is σ = 12467285642. Its totient is φ = 12467285640.

The previous prime is 12467285639. The next prime is 12467285653. The reversal of 12467285641 is 14658276421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11145236041 + 1322049600 = 105571^2 + 36360^2 .

It is a cyclic number.

It is not a de Polignac number, because 12467285641 - 21 = 12467285639 is a prime.

It is a super-2 number, since 2×124672856412 (a number of 21 digits) contains 22 as substring.

Together with 12467285639, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12467285591 and 12467285600.

It is not a weakly prime, because it can be changed into another prime (12467285671) 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 as a sum of consecutive naturals, namely, 6233642820 + 6233642821.

It is an arithmetic number, because the mean of its divisors is an integer number (6233642821).

Almost surely, 212467285641 is an apocalyptic number.

It is an amenable number.

12467285641 is a deficient number, since it is larger than the sum of its proper divisors (1).

12467285641 is an equidigital number, since it uses as much as digits as its factorization.

12467285641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 46.

The spelling of 12467285641 in words is "twelve billion, four hundred sixty-seven million, two hundred eighty-five thousand, six hundred forty-one".