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12776605080757 = 71825229297251
BaseRepresentation
bin1011100111101100100100…
…0000011101110010110101
31200020102122120112210211121
42321323021000131302311
53133312441400041012
643101254044103541
72456036120203630
oct271731100356265
950212576483747
1012776605080757
1140865895344a1
121524237234bb1
13718aa082727b
14322568c14c17
151725373e4a07
hexb9ec901dcb5

12776605080757 has 4 divisors (see below), whose sum is σ = 14601834378016. Its totient is φ = 10951375783500.

The previous prime is 12776605080749. The next prime is 12776605080761. The reversal of 12776605080757 is 75708050667721.

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.

It is a cyclic number.

It is not a de Polignac number, because 12776605080757 - 23 = 12776605080749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12776605080695 and 12776605080704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12776605080557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912614648619 + ... + 912614648632.

It is an arithmetic number, because the mean of its divisors is an integer number (3650458594504).

Almost surely, 212776605080757 is an apocalyptic number.

It is an amenable number.

12776605080757 is a deficient number, since it is larger than the sum of its proper divisors (1825229297259).

12776605080757 is an equidigital number, since it uses as much as digits as its factorization.

12776605080757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825229297258.

The product of its (nonzero) digits is 34574400, while the sum is 61.

The spelling of 12776605080757 in words is "twelve trillion, seven hundred seventy-six billion, six hundred five million, eighty thousand, seven hundred fifty-seven".

Divisors: 1 7 1825229297251 12776605080757