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2145032113 = 71916128061
BaseRepresentation
bin111111111011010…
…1001011110110001
312112111020220212211
41333312221132301
513343112011423
6552503252121
7104104320640
oct17766513661
95474226784
102145032113
11a008a6414
124ba44a041
13282526c93
14164c4d357
15c84b010d
hex7fda97b1

2145032113 has 8 divisors (see below), whose sum is σ = 2580489920. Its totient is φ = 1741830480.

The previous prime is 2145032111. The next prime is 2145032179. The reversal of 2145032113 is 3112305412.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2145032113 - 21 = 2145032111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145032111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8063898 + ... + 8064163.

It is an arithmetic number, because the mean of its divisors is an integer number (322561240).

Almost surely, 22145032113 is an apocalyptic number.

It is an amenable number.

2145032113 is a deficient number, since it is larger than the sum of its proper divisors (435457807).

2145032113 is a wasteful number, since it uses less digits than its factorization.

2145032113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16128087.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2145032113 is about 46314.4913930834. The cubic root of 2145032113 is about 1289.6680260675.

Adding to 2145032113 its reverse (3112305412), we get a palindrome (5257337525).

The spelling of 2145032113 in words is "two billion, one hundred forty-five million, thirty-two thousand, one hundred thirteen".

Divisors: 1 7 19 133 16128061 112896427 306433159 2145032113