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160218138 = 23231161001
BaseRepresentation
bin10011000110010…
…11110000011010
3102011110220222010
421203023300122
5312003440023
623522010350
73653555163
oct1143136032
9364426863
10160218138
1182491293
12457a69b6
1327268b42
14173c876a
15e0ec093
hex98cbc1a

160218138 has 16 divisors (see below), whose sum is σ = 334368576. Its totient is φ = 51084000.

The previous prime is 160218133. The next prime is 160218139. The reversal of 160218138 is 831812061.

160218138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (160218131) 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 7 ways as a sum of consecutive naturals, for example, 580363 + ... + 580638.

It is an arithmetic number, because the mean of its divisors is an integer number (20898036).

Almost surely, 2160218138 is an apocalyptic number.

160218138 is an abundant number, since it is smaller than the sum of its proper divisors (174150438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

160218138 is a wasteful number, since it uses less digits than its factorization.

160218138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161029.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 160218138 is about 12657.7303652748. The cubic root of 160218138 is about 543.1301269620.

The spelling of 160218138 in words is "one hundred sixty million, two hundred eighteen thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 23 46 69 138 1161001 2322002 3483003 6966006 26703023 53406046 80109069 160218138