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1663027675 = 5271936917
BaseRepresentation
bin110001100011111…
…1100100111011011
311021220021120002121
41203013330213123
511401213341200
6433004242111
756132334121
oct14307744733
94256246077
101663027675
11783810341
123a4b40337
13206702b5a
1411ac1d911
159aeede1a
hex631fc9db

1663027675 has 12 divisors (see below), whose sum is σ = 2091200976. Its totient is φ = 1311682400.

The previous prime is 1663027661. The next prime is 1663027699. The reversal of 1663027675 is 5767203661.

It is not a de Polignac number, because 1663027675 - 211 = 1663025627 is a prime.

It is a super-2 number, since 2×16630276752 = 5531322095631811250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 466684 + ... + 470233.

It is an arithmetic number, because the mean of its divisors is an integer number (174266748).

Almost surely, 21663027675 is an apocalyptic number.

1663027675 is a deficient number, since it is larger than the sum of its proper divisors (428173301).

1663027675 is an equidigital number, since it uses as much as digits as its factorization.

1663027675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936998 (or 936993 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 1663027675 is about 40780.2363283981. The cubic root of 1663027675 is about 1184.7675723767.

The spelling of 1663027675 in words is "one billion, six hundred sixty-three million, twenty-seven thousand, six hundred seventy-five".

Divisors: 1 5 25 71 355 1775 936917 4684585 23422925 66521107 332605535 1663027675