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218119030 = 2522039901
BaseRepresentation
bin11010000000000…
…11101101110110
3120012102121001121
431000003231312
5421314302110
633351014154
75255660353
oct1500035566
9505377047
10218119030
11102139068
126106a35a
133625c51c
1420d7b62a
1514237cda
hexd003b76

218119030 has 16 divisors (see below), whose sum is σ = 392832144. Its totient is φ = 87199200.

The previous prime is 218119003. The next prime is 218119037. The reversal of 218119030 is 30911812.

It is a super-2 number, since 2×2181190302 = 95151822496281800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 218118986 and 218119004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218119037) 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, 17080 + ... + 26980.

It is an arithmetic number, because the mean of its divisors is an integer number (24552009).

Almost surely, 2218119030 is an apocalyptic number.

218119030 is a deficient number, since it is larger than the sum of its proper divisors (174713114).

218119030 is a wasteful number, since it uses less digits than its factorization.

218119030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12111.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 218119030 is about 14768.8533745853. The cubic root of 218119030 is about 601.9556833931.

The spelling of 218119030 in words is "two hundred eighteen million, one hundred nineteen thousand, thirty".

Divisors: 1 2 5 10 2203 4406 9901 11015 19802 22030 49505 99010 21811903 43623806 109059515 218119030