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11231304618 = 231871884103
BaseRepresentation
bin10100111010111000…
…00001101110101010
31001222201200101112010
422131130001232222
5141000203221433
65054245500350
7545215341222
oct123534015652
931881611463
1011231304618
114843862436
1222154116b6
13109cb226a1
147878c1082
1545b02de63
hex29d701baa

11231304618 has 8 divisors (see below), whose sum is σ = 22462609248. Its totient is φ = 3743768204.

The previous prime is 11231304583. The next prime is 11231304647. The reversal of 11231304618 is 81640313211.

11231304618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

11231304618 is an admirable number.

It is a super-2 number, since 2×112313046182 (a number of 21 digits) contains 22 as substring.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 935942046 + ... + 935942057.

It is an arithmetic number, because the mean of its divisors is an integer number (2807826156).

Almost surely, 211231304618 is an apocalyptic number.

11231304618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11231304618 is a wasteful number, since it uses less digits than its factorization.

11231304618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871884108.

The product of its (nonzero) digits is 3456, while the sum is 30.

Adding to 11231304618 its reverse (81640313211), we get a palindrome (92871617829).

The spelling of 11231304618 in words is "eleven billion, two hundred thirty-one million, three hundred four thousand, six hundred eighteen".

Divisors: 1 2 3 6 1871884103 3743768206 5615652309 11231304618