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10778785357 is a prime number
BaseRepresentation
bin10100000100111011…
…10011011001001101
31000211012012000210111
422002131303121031
5134033332112412
64541322440021
7531052110124
oct120235633115
930735160714
1010778785357
114631385a7a
122109963011
13102a153102
14743768abb
154314442a7
hex28277364d

10778785357 has 2 divisors, whose sum is σ = 10778785358. Its totient is φ = 10778785356.

The previous prime is 10778785319. The next prime is 10778785411. The reversal of 10778785357 is 75358787701.

10778785357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6391842601 + 4386942756 = 79949^2 + 66234^2 .

It is an emirp because it is prime and its reverse (75358787701) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10778785357 is a prime.

It is a super-5 number, since 5×107787853575 (a number of 51 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10778785307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5389392678 + 5389392679.

It is an arithmetic number, because the mean of its divisors is an integer number (5389392679).

Almost surely, 210778785357 is an apocalyptic number.

It is an amenable number.

10778785357 is a deficient number, since it is larger than the sum of its proper divisors (1).

10778785357 is an equidigital number, since it uses as much as digits as its factorization.

10778785357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11524800, while the sum is 58.

The spelling of 10778785357 in words is "ten billion, seven hundred seventy-eight million, seven hundred eighty-five thousand, three hundred fifty-seven".