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6660455112 = 233292506321
BaseRepresentation
bin1100011001111111…
…00111101011001000
3122012011211011202200
412030333213223020
5102120034030422
63020524400200
7324023635323
oct61477475310
918164734680
106660455112
112908720563
12135a6a6060
13821b707cc
144728117ba
1528eae82ac
hex18cfe7ac8

6660455112 has 24 divisors (see below), whose sum is σ = 18038732790. Its totient is φ = 2220151680.

The previous prime is 6660455099. The next prime is 6660455119. The reversal of 6660455112 is 2115540666.

It can be written as a sum of positive squares in only one way, i.e., 5473928196 + 1186526916 = 73986^2 + 34446^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6660455119) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 46253089 + ... + 46253232.

Almost surely, 26660455112 is an apocalyptic number.

It is an amenable number.

6660455112 is an abundant number, since it is smaller than the sum of its proper divisors (11378277678).

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

6660455112 is a wasteful number, since it uses less digits than its factorization.

6660455112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92506333 (or 92506326 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 6660455112 is about 81611.6113797540. The cubic root of 6660455112 is about 1881.4873464525.

Adding to 6660455112 its reverse (2115540666), we get a palindrome (8775995778).

The spelling of 6660455112 in words is "six billion, six hundred sixty million, four hundred fifty-five thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 92506321 185012642 277518963 370025284 555037926 740050568 832556889 1110075852 1665113778 2220151704 3330227556 6660455112