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8180840704 = 2856532
BaseRepresentation
bin1111001111001110…
…11011100100000000
3210010010200202201011
413213213123210000
5113223243400304
63431435450304
7406504666351
oct74747334400
923103622634
108180840704
113518964783
1217038b6994
13a04b4c85a
145786ddd28
1532d31cc04
hex1e79db900

8180840704 has 27 divisors (see below), whose sum is σ = 16332614193. Its totient is φ = 4089696768.

The previous prime is 8180840693. The next prime is 8180840719. The reversal of 8180840704 is 4070480818.

The square root of 8180840704 is 90448.

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

It can be written as a sum of positive squares in only one way, i.e., 6412806400 + 1768034304 = 80080^2 + 42048^2 .

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 1444342 + ... + 1449994.

Almost surely, 28180840704 is an apocalyptic number.

8180840704 is the 90448-th square number.

It is an amenable number.

8180840704 is a deficient number, since it is larger than the sum of its proper divisors (8151773489).

8180840704 is an frugal number, since it uses more digits than its factorization.

8180840704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11322 (or 5655 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 40.

The cubic root of 8180840704 is about 2014.9579102382.

The spelling of 8180840704 in words is "eight billion, one hundred eighty million, eight hundred forty thousand, seven hundred four".

Divisors: 1 2 4 8 16 32 64 128 256 5653 11306 22612 45224 90448 180896 361792 723584 1447168 31956409 63912818 127825636 255651272 511302544 1022605088 2045210176 4090420352 8180840704