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2160225609 = 34782918481
BaseRepresentation
bin1000000011000010…
…0110110101001001
312120112211211102220
42000300212311021
513411004204414
6554205044253
7104350420563
oct20060466511
95515754386
102160225609
11a09433523
12503556689
13285716709
14166c86333
15c99b1ca9
hex80c26d49

2160225609 has 16 divisors (see below), whose sum is σ = 2945291520. Its totient is φ = 1407732480.

The previous prime is 2160225601. The next prime is 2160225611. The reversal of 2160225609 is 9065220612.

It is not a de Polignac number, because 2160225609 - 23 = 2160225601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2160225609.

It is not an unprimeable number, because it can be changed into a prime (2160225601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107649 + ... + 126129.

It is an arithmetic number, because the mean of its divisors is an integer number (184080720).

Almost surely, 22160225609 is an apocalyptic number.

It is an amenable number.

2160225609 is a deficient number, since it is larger than the sum of its proper divisors (785065911).

2160225609 is a wasteful number, since it uses less digits than its factorization.

2160225609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19360.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2160225609 is about 46478.2272575020. The cubic root of 2160225609 is about 1292.7058179945.

The spelling of 2160225609 in words is "two billion, one hundred sixty million, two hundred twenty-five thousand, six hundred nine".

Divisors: 1 3 47 141 829 2487 18481 38963 55443 116889 868607 2605821 15320749 45962247 720075203 2160225609