Search a number
-
+
2156163362 = 243223112429
BaseRepresentation
bin1000000010000100…
…0111000100100010
312120021012110002022
42000201013010202
513403434211422
6553542021442
7104301041363
oct20041070442
95507173068
102156163362
11a071094a1
12502117882
13284923712
14166509b6a
15c945d342
hex80847122

2156163362 has 16 divisors (see below), whose sum is σ = 3324330240. Its totient is φ = 1048278672.

The previous prime is 2156163349. The next prime is 2156163389. The reversal of 2156163362 is 2633616512.

It is a super-2 number, since 2×21561633622 = 9298080887262286088, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 37037 + ... + 75392.

It is an arithmetic number, because the mean of its divisors is an integer number (207770640).

Almost surely, 22156163362 is an apocalyptic number.

2156163362 is a deficient number, since it is larger than the sum of its proper divisors (1168166878).

2156163362 is a wasteful number, since it uses less digits than its factorization.

2156163362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112697.

The product of its digits is 38880, while the sum is 35.

The square root of 2156163362 is about 46434.5061565211. The cubic root of 2156163362 is about 1291.8950098719.

Adding to 2156163362 its reverse (2633616512), we get a palindrome (4789779874).

The spelling of 2156163362 in words is "two billion, one hundred fifty-six million, one hundred sixty-three thousand, three hundred sixty-two".

Divisors: 1 2 43 86 223 446 9589 19178 112429 224858 4834447 9668894 25071667 50143334 1078081681 2156163362