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163068005 = 532613601
BaseRepresentation
bin10011011100000…
…11100001100101
3102100211201020202
421232003201211
5313221134010
624103040245
74020024632
oct1156034145
9370751222
10163068005
1184058451
1246740085
1327a26059
141792b189
15e4b16a5
hex9b83865

163068005 has 4 divisors (see below), whose sum is σ = 195681612. Its totient is φ = 130454400.

The previous prime is 163068001. The next prime is 163068007. The reversal of 163068005 is 500860361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45171841 + 117896164 = 6721^2 + 10858^2 .

It is not a de Polignac number, because 163068005 - 22 = 163068001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163068001) 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 in 3 ways as a sum of consecutive naturals, for example, 16306796 + ... + 16306805.

It is an arithmetic number, because the mean of its divisors is an integer number (48920403).

Almost surely, 2163068005 is an apocalyptic number.

It is an amenable number.

163068005 is a deficient number, since it is larger than the sum of its proper divisors (32613607).

163068005 is an equidigital number, since it uses as much as digits as its factorization.

163068005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32613606.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 163068005 is about 12769.8083384207. The cubic root of 163068005 is about 546.3315140692.

The spelling of 163068005 in words is "one hundred sixty-three million, sixty-eight thousand, five".

Divisors: 1 5 32613601 163068005