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56492906689 is a prime number
BaseRepresentation
bin110100100111001111…
…010101100011000001
312101211002101000011101
4310213033111203001
51411144141003224
641541423014401
74036642532602
oct644717254301
9171732330141
1056492906689
1121a5a855a3a
12ab4743a401
135433ca904b
142a3cba9da9
1517098e4044
hexd273d58c1

56492906689 has 2 divisors, whose sum is σ = 56492906690. Its totient is φ = 56492906688.

The previous prime is 56492906653. The next prime is 56492906713. The reversal of 56492906689 is 98660929465.

56492906689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56354961664 + 137945025 = 237392^2 + 11745^2 .

It is a cyclic number.

It is not a de Polignac number, because 56492906689 - 211 = 56492904641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56492906689.

It is not a weakly prime, because it can be changed into another prime (56492906189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28246453344 + 28246453345.

It is an arithmetic number, because the mean of its divisors is an integer number (28246453345).

Almost surely, 256492906689 is an apocalyptic number.

It is an amenable number.

56492906689 is a deficient number, since it is larger than the sum of its proper divisors (1).

56492906689 is an equidigital number, since it uses as much as digits as its factorization.

56492906689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50388480, while the sum is 64.

The spelling of 56492906689 in words is "fifty-six billion, four hundred ninety-two million, nine hundred six thousand, six hundred eighty-nine".