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20412799675 = 52816511987
BaseRepresentation
bin10011000000101100…
…101001101010111011
31221200121021122221121
4103000230221222323
5313301134042200
613213313050111
71321563635332
oct230054515273
957617248847
1020412799675
118725547584
123b58256937
131c0407b1b8
14db905cd19
157e710be1a
hex4c0b29abb

20412799675 has 6 divisors (see below), whose sum is σ = 25311871628. Its totient is φ = 16330239720.

The previous prime is 20412799609. The next prime is 20412799697. The reversal of 20412799675 is 57699721402.

It is not a de Polignac number, because 20412799675 - 29 = 20412799163 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 408255969 + ... + 408256018.

Almost surely, 220412799675 is an apocalyptic number.

20412799675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20412799675 is a deficient number, since it is larger than the sum of its proper divisors (4899071953).

20412799675 is an equidigital number, since it uses as much as digits as its factorization.

20412799675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816511997 (or 816511992 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 20412799675 in words is "twenty billion, four hundred twelve million, seven hundred ninety-nine thousand, six hundred seventy-five".

Divisors: 1 5 25 816511987 4082559935 20412799675