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2168809627 is a prime number
BaseRepresentation
bin1000000101000101…
…0110100010011011
312121010222221111111
42001101112202123
513420203402002
6555113041151
7104513402065
oct20121264233
95533887444
102168809627
11a13266856
125063b61b7
1328743090a
1416807c735
15ca60a3d7
hex8145689b

2168809627 has 2 divisors, whose sum is σ = 2168809628. Its totient is φ = 2168809626.

The previous prime is 2168809613. The next prime is 2168809681. The reversal of 2168809627 is 7269088612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2168809627 - 211 = 2168807579 is a prime.

It is not a weakly prime, because it can be changed into another prime (2168809327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1084404813 + 1084404814.

It is an arithmetic number, because the mean of its divisors is an integer number (1084404814).

Almost surely, 22168809627 is an apocalyptic number.

2168809627 is a deficient number, since it is larger than the sum of its proper divisors (1).

2168809627 is an equidigital number, since it uses as much as digits as its factorization.

2168809627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 2168809627 is about 46570.4802101073. The cubic root of 2168809627 is about 1294.4158159760.

The spelling of 2168809627 in words is "two billion, one hundred sixty-eight million, eight hundred nine thousand, six hundred twenty-seven".