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3320213445 = 32573782521
BaseRepresentation
bin1100010111100110…
…0110111111000101
322120101120022121100
43011321212333011
523244433312240
61305243410313
7145164230403
oct30571467705
98511508540
103320213445
1114541a055a
12787b23999
1340bb3b953
14236d5c473
15146746e30
hexc5e66fc5

3320213445 has 12 divisors (see below), whose sum is σ = 5755036716. Its totient is φ = 1770780480.

The previous prime is 3320213443. The next prime is 3320213453. The reversal of 3320213445 is 5443120233.

3320213445 is a `hidden beast` number, since 3 + 3 + 2 + 0 + 213 + 445 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1923173316 + 1397040129 = 43854^2 + 37377^2 .

It is not a de Polignac number, because 3320213445 - 21 = 3320213443 is a prime.

It is a super-2 number, since 2×33202134452 = 22047634640717536050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3320213443) 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 11 ways as a sum of consecutive naturals, for example, 36891216 + ... + 36891305.

It is an arithmetic number, because the mean of its divisors is an integer number (479586393).

Almost surely, 23320213445 is an apocalyptic number.

It is an amenable number.

3320213445 is a deficient number, since it is larger than the sum of its proper divisors (2434823271).

3320213445 is a wasteful number, since it uses less digits than its factorization.

3320213445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73782532 (or 73782529 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 3320213445 is about 57621.2933298099. The cubic root of 3320213445 is about 1491.8391542507.

Adding to 3320213445 its reverse (5443120233), we get a palindrome (8763333678).

The spelling of 3320213445 in words is "three billion, three hundred twenty million, two hundred thirteen thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 45 73782521 221347563 368912605 664042689 1106737815 3320213445