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56984420693 is a prime number
BaseRepresentation
bin110101000100100010…
…010100000101010101
312110002100020111121202
4311010202110011111
51413201002430233
642102301522245
74055061404204
oct650442240525
9173070214552
1056984420693
1122192246762
12b063b73385
1354b1a7c735
142a8819323b
151737b32be8
hexd44894155

56984420693 has 2 divisors, whose sum is σ = 56984420694. Its totient is φ = 56984420692.

The previous prime is 56984420687. The next prime is 56984420747. The reversal of 56984420693 is 39602448965.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56374429489 + 609991204 = 237433^2 + 24698^2 .

It is a cyclic number.

It is not a de Polignac number, because 56984420693 - 26 = 56984420629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56984423693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28492210346 + 28492210347.

It is an arithmetic number, because the mean of its divisors is an integer number (28492210347).

Almost surely, 256984420693 is an apocalyptic number.

It is an amenable number.

56984420693 is a deficient number, since it is larger than the sum of its proper divisors (1).

56984420693 is an equidigital number, since it uses as much as digits as its factorization.

56984420693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 56.

The spelling of 56984420693 in words is "fifty-six billion, nine hundred eighty-four million, four hundred twenty thousand, six hundred ninety-three".