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11668078 = 28965551
BaseRepresentation
bin101100100000…
…101001101110
3210221210121001
4230200221232
510441334303
61054030514
7201114502
oct54405156
923853531
1011668078
11664a444
123aa843a
132556bb6
14179a302
15105731d
hexb20a6e

11668078 has 8 divisors (see below), whose sum is σ = 17699040. Its totient is φ = 5768400.

The previous prime is 11668073. The next prime is 11668099. The reversal of 11668078 is 87086611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×116680782 = 272288088428168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11668073) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 32598 + ... + 32953.

It is an arithmetic number, because the mean of its divisors is an integer number (2212380).

Almost surely, 211668078 is an apocalyptic number.

11668078 is a deficient number, since it is larger than the sum of its proper divisors (6030962).

11668078 is an equidigital number, since it uses as much as digits as its factorization.

11668078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65642.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 11668078 is about 3415.8568471176. The cubic root of 11668078 is about 226.8122157268.

The spelling of 11668078 in words is "eleven million, six hundred sixty-eight thousand, seventy-eight".

Divisors: 1 2 89 178 65551 131102 5834039 11668078