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1630483693 is a prime number
BaseRepresentation
bin110000100101111…
…0011010011101101
311012122001011010221
41201023303103231
511314400434233
6425442531341
755255611526
oct14113632355
94178034127
101630483693
11767402593
12396066b51
131cca49c67
1411678b84d
159822142d
hex612f34ed

1630483693 has 2 divisors, whose sum is σ = 1630483694. Its totient is φ = 1630483692.

The previous prime is 1630483691. The next prime is 1630483711. The reversal of 1630483693 is 3963840361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 962674729 + 667808964 = 31027^2 + 25842^2 .

It is a cyclic number.

It is not a de Polignac number, because 1630483693 - 21 = 1630483691 is a prime.

Together with 1630483691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1630483691) 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, 815241846 + 815241847.

It is an arithmetic number, because the mean of its divisors is an integer number (815241847).

Almost surely, 21630483693 is an apocalyptic number.

It is an amenable number.

1630483693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1630483693 is an equidigital number, since it uses as much as digits as its factorization.

1630483693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 1630483693 is about 40379.2482966189. The cubic root of 1630483693 is about 1176.9883203480.

The spelling of 1630483693 in words is "one billion, six hundred thirty million, four hundred eighty-three thousand, six hundred ninety-three".