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11795697664 = 21216972
BaseRepresentation
bin10101111110001010…
…00001000000000000
31010110001200112020021
422333011001000000
5143124144311124
65230250423224
7565210530052
oct127705010000
933401615207
1011795697664
115003400273
122352431b14
13115ca3217a
147dc8398d2
154908667e4
hex2bf141000

11795697664 has 39 divisors (see below), whose sum is σ = 23602423837. Its totient is φ = 5894373376.

The previous prime is 11795697647. The next prime is 11795697721. The reversal of 11795697664 is 46679659711.

The square root of 11795697664 is 108608.

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., 11355033600 + 440664064 = 106560^2 + 20992^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6950064 + ... + 6951760.

Almost surely, 211795697664 is an apocalyptic number.

11795697664 is the 108608-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11795697664

11795697664 is an abundant number, since it is smaller than the sum of its proper divisors (11806726173).

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

11795697664 is an frugal number, since it uses more digits than its factorization.

11795697664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418 (or 1699 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 61.

The spelling of 11795697664 in words is "eleven billion, seven hundred ninety-five million, six hundred ninety-seven thousand, six hundred sixty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 1697 2048 3394 4096 6788 13576 27152 54304 108608 217216 434432 868864 1737728 2879809 3475456 5759618 6950912 11519236 23038472 46076944 92153888 184307776 368615552 737231104 1474462208 2948924416 5897848832 11795697664