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2160667028 = 221323196253
BaseRepresentation
bin1000000011001001…
…0010100110010100
312120120200020221202
42000302102212110
513411112321103
6554222332032
7104354236532
oct20062224624
95516606852
102160667028
11a09705133
1250372a018
1328583c600
14166d5d152
15c9a4c988
hex80c92994

2160667028 has 18 divisors (see below), whose sum is σ = 4094401374. Its totient is φ = 997230624.

The previous prime is 2160667021. The next prime is 2160667049. The reversal of 2160667028 is 8207660612.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 176677264 + 1983989764 = 13292^2 + 44542^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2160666982 and 2160667000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160667021) 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 5 ways as a sum of consecutive naturals, for example, 1597451 + ... + 1598802.

It is an arithmetic number, because the mean of its divisors is an integer number (227466743).

Almost surely, 22160667028 is an apocalyptic number.

It is an amenable number.

2160667028 is a deficient number, since it is larger than the sum of its proper divisors (1933734346).

2160667028 is a wasteful number, since it uses less digits than its factorization.

2160667028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196283 (or 3196268 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 2160667028 is about 46482.9756792742. The cubic root of 2160667028 is about 1292.7938622007.

The spelling of 2160667028 in words is "two billion, one hundred sixty million, six hundred sixty-seven thousand, twenty-eight".

Divisors: 1 2 4 13 26 52 169 338 676 3196253 6392506 12785012 41551289 83102578 166205156 540166757 1080333514 2160667028