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2904028382641 = 17041212
BaseRepresentation
bin101010010000100101100…
…101001000010110110001
3101021121210201201222022111
4222100211211020112301
5340034422231221031
610102031530405321
7416544346653301
oct52204545102661
911247721658274
102904028382641
11a1a656350131
123aa9a1290841
13180b0579b939
14a07acc97601
1550818ed91b1
hex2a4259485b1

2904028382641 has 3 divisors (see below), whose sum is σ = 2904030086763. Its totient is φ = 2904026678520.

The previous prime is 2904028382599. The next prime is 2904028382657. The reversal of 2904028382641 is 1462838204092.

The square root of 2904028382641 is 1704121.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 210753528241 + 2693274854400 = 459079^2 + 1641120^2 .

It is a de Polignac number, because none of the positive numbers 2k-2904028382641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2904028385641) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 852061 + ... + 2556181.

It is an arithmetic number, because the mean of its divisors is an integer number (968010028921).

Almost surely, 22904028382641 is an apocalyptic number.

2904028382641 is the 1704121-st square number.

2904028382641 is the 852061-st centered octagonal number.

It is an amenable number.

2904028382641 is a deficient number, since it is larger than the sum of its proper divisors (1704122).

2904028382641 is an frugal number, since it uses more digits than its factorization.

2904028382641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408242 (or 1704121 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 49.

Multiplying 2904028382641 by its sum of digits (49), we get a square (142297390749409 = 119288472).

The spelling of 2904028382641 in words is "two trillion, nine hundred four billion, twenty-eight million, three hundred eighty-two thousand, six hundred forty-one".

Divisors: 1 1704121 2904028382641