Search a number
-
+
6668013348 = 2232185222593
BaseRepresentation
bin1100011010111000…
…11100111100100100
3122012201001011201100
412031130130330210
5102124002411343
63021354400100
7324145115103
oct61534347444
918181034640
106668013348
112911a13137
121361130030
138235b8b39
1447381c03a
152905dc9d3
hex18d71cf24

6668013348 has 18 divisors (see below), whose sum is σ = 16855256054. Its totient is φ = 2222671104.

The previous prime is 6668013323. The next prime is 6668013389. The reversal of 6668013348 is 8433108666.

It can be written as a sum of positive squares in only one way, i.e., 3652026624 + 3015986724 = 60432^2 + 54918^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 92611261 + ... + 92611332.

Almost surely, 26668013348 is an apocalyptic number.

It is an amenable number.

6668013348 is an abundant number, since it is smaller than the sum of its proper divisors (10187242706).

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

6668013348 is a wasteful number, since it uses less digits than its factorization.

6668013348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185222603 (or 185222598 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 6668013348 is about 81657.9043816335. The cubic root of 6668013348 is about 1882.1987767953.

The spelling of 6668013348 in words is "six billion, six hundred sixty-eight million, thirteen thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 185222593 370445186 555667779 740890372 1111335558 1667003337 2222671116 3334006674 6668013348