Search a number
-
+
2211233143 = 72233193679
BaseRepresentation
bin1000001111001100…
…1011110101110111
312201002211021121211
42003303023311313
514012033430033
61003230222251
7105540112600
oct20363136567
95632737554
102211233143
11a35202209
12518654987
132931655a2
1416d962da7
15ce1da2cd
hex83ccbd77

2211233143 has 12 divisors (see below), whose sum is σ = 2583303840. Its totient is φ = 1887198432.

The previous prime is 2211233099. The next prime is 2211233153. The reversal of 2211233143 is 3413321122.

It is a de Polignac number, because none of the positive numbers 2k-2211233143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211233153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85423 + ... + 108256.

It is an arithmetic number, because the mean of its divisors is an integer number (215275320).

Almost surely, 22211233143 is an apocalyptic number.

2211233143 is a deficient number, since it is larger than the sum of its proper divisors (372070697).

2211233143 is a wasteful number, since it uses less digits than its factorization.

2211233143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193926 (or 193919 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 2211233143 is about 47023.7508393365. The cubic root of 2211233143 is about 1302.8012853922.

Adding to 2211233143 its reverse (3413321122), we get a palindrome (5624554265).

It can be divided in two parts, 22112 and 33143, that added together give a palindrome (55255).

The spelling of 2211233143 in words is "two billion, two hundred eleven million, two hundred thirty-three thousand, one hundred forty-three".

Divisors: 1 7 49 233 1631 11417 193679 1355753 9490271 45127207 315890449 2211233143