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12411000557 = 69117960927
BaseRepresentation
bin10111000111100000…
…01101011011101101
31012000221111011010022
423203300031123231
5200404204004212
65411310451525
7616361523044
oct134360153355
935027434108
1012411000557
11529976045a
1224a4503ba5
13122a358217
1485a44755b
154c98a8772
hex2e3c0d6ed

12411000557 has 4 divisors (see below), whose sum is σ = 12428962176. Its totient is φ = 12393038940.

The previous prime is 12411000529. The next prime is 12411000559. The reversal of 12411000557 is 75500011421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75500011421 = 99775727193.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12411000557 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 (12411000559) 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, 8979773 + ... + 8981154.

It is an arithmetic number, because the mean of its divisors is an integer number (3107240544).

Almost surely, 212411000557 is an apocalyptic number.

It is an amenable number.

12411000557 is a deficient number, since it is larger than the sum of its proper divisors (17961619).

12411000557 is an equidigital number, since it uses as much as digits as its factorization.

12411000557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17961618.

The product of its (nonzero) digits is 1400, while the sum is 26.

Adding to 12411000557 its reverse (75500011421), we get a palindrome (87911011978).

The spelling of 12411000557 in words is "twelve billion, four hundred eleven million, five hundred fifty-seven", and thus it is an aban number.

Divisors: 1 691 17960927 12411000557