Base | Representation |
---|---|
bin | 101000101111… |
… | …100101110001 |
3 | 202002122011002 |
4 | 220233211301 |
5 | 10213240224 |
6 | 1020531345 |
7 | 156533015 |
oct | 50574561 |
9 | 22078132 |
10 | 10680689 |
11 | 6035618 |
12 | 36b0b55 |
13 | 229c646 |
14 | 15c0545 |
15 | e0e9ae |
hex | a2f971 |
10680689 has 4 divisors (see below), whose sum is σ = 10809456. Its totient is φ = 10551924.
The previous prime is 10680667. The next prime is 10680697. The reversal of 10680689 is 98608601.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 10680689 - 28 = 10680433 is a prime.
It is a super-2 number, since 2×106806892 = 228154235029442, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10680619) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64259 + ... + 64424.
It is an arithmetic number, because the mean of its divisors is an integer number (2702364).
Almost surely, 210680689 is an apocalyptic number.
It is an amenable number.
10680689 is a deficient number, since it is larger than the sum of its proper divisors (128767).
10680689 is an equidigital number, since it uses as much as digits as its factorization.
10680689 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128766.
The product of its (nonzero) digits is 20736, while the sum is 38.
The square root of 10680689 is about 3268.1323412616. The cubic root of 10680689 is about 220.2249008647.
The spelling of 10680689 in words is "ten million, six hundred eighty thousand, six hundred eighty-nine".
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