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2211147146 = 213101842021
BaseRepresentation
bin1000001111001011…
…0110110110001010
312201002122220122202
42003302312312022
514012023202041
61003224320202
7105536304065
oct20362666612
95632586582
102211147146
11a3515363a
12518613062
132931353c0
1416d93d8dc
15ce1bea9b
hex83cb6d8a

2211147146 has 16 divisors (see below), whose sum is σ = 3607222248. Its totient is φ = 1010424000.

The previous prime is 2211147139. The next prime is 2211147163. The reversal of 2211147146 is 6417411122.

It is a happy number.

2211147146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2210034121 + 1113025 = 47011^2 + 1055^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418385 + ... + 423636.

Almost surely, 22211147146 is an apocalyptic number.

2211147146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2211147146 is a deficient number, since it is larger than the sum of its proper divisors (1396075102).

2211147146 is a wasteful number, since it uses less digits than its factorization.

2211147146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842137.

The product of its digits is 2688, while the sum is 29.

The square root of 2211147146 is about 47022.8364308237. The cubic root of 2211147146 is about 1302.7843961050.

Adding to 2211147146 its reverse (6417411122), we get a palindrome (8628558268).

The spelling of 2211147146 in words is "two billion, two hundred eleven million, one hundred forty-seven thousand, one hundred forty-six".

Divisors: 1 2 13 26 101 202 1313 2626 842021 1684042 10946273 21892546 85044121 170088242 1105573573 2211147146