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12078885900777 = 319401528454561
BaseRepresentation
bin1010111111000101010110…
…1101000001000111101001
31120202201201022211001222020
42233301111231001013221
53040400024242311102
641404544044415053
72354446024056303
oct257612555010751
946681638731866
1012078885900777
113937699216723
121430b76547489
13698059a78397
142da89a7c8973
1515e2ed6c0bbc
hexafc55b411e9

12078885900777 has 16 divisors (see below), whose sum is σ = 16995098713920. Its totient is φ = 7609745664000.

The previous prime is 12078885900721. The next prime is 12078885900791. The reversal of 12078885900777 is 77700958887021.

It is not a de Polignac number, because 12078885900777 - 26 = 12078885900713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12078885900877) 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 15 ways as a sum of consecutive naturals, for example, 264204424 + ... + 264250137.

It is an arithmetic number, because the mean of its divisors is an integer number (1062193669620).

Almost surely, 212078885900777 is an apocalyptic number.

It is an amenable number.

12078885900777 is a deficient number, since it is larger than the sum of its proper divisors (4916212813143).

12078885900777 is a wasteful number, since it uses less digits than its factorization.

12078885900777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528454984.

The product of its (nonzero) digits is 110638080, while the sum is 69.

The spelling of 12078885900777 in words is "twelve trillion, seventy-eight billion, eight hundred eighty-five million, nine hundred thousand, seven hundred seventy-seven".

Divisors: 1 3 19 57 401 1203 7619 22857 528454561 1585363683 10040636659 30121909977 211910278961 635730836883 4026295300259 12078885900777