Search a number
-
+
2211083453 = 2976244257
BaseRepresentation
bin1000001111001010…
…0111010010111101
312201002112200021202
42003302213102331
514012014132303
61003223105245
7105535620305
oct20362472275
95632480252
102211083453
11a3510a7a7
125185a2225
13293112407
1416d924605
15ce1aac88
hex83ca74bd

2211083453 has 4 divisors (see below), whose sum is σ = 2287327740. Its totient is φ = 2134839168.

The previous prime is 2211083431. The next prime is 2211083477. The reversal of 2211083453 is 3543801122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1231518649 + 979564804 = 35093^2 + 31298^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211083453 - 26 = 2211083389 is a prime.

It is a super-2 number, since 2×22110834532 = 9777780072260806418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 76244257 = 2211083453 / (2 + 2 + 1 + 1 + 0 + 8 + 3 + 4 + 5 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211085453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38122100 + ... + 38122157.

It is an arithmetic number, because the mean of its divisors is an integer number (571831935).

Almost surely, 22211083453 is an apocalyptic number.

It is an amenable number.

2211083453 is a deficient number, since it is larger than the sum of its proper divisors (76244287).

2211083453 is an equidigital number, since it uses as much as digits as its factorization.

2211083453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76244286.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2211083453 is about 47022.1591699063. The cubic root of 2211083453 is about 1302.7718869054.

Adding to 2211083453 its reverse (3543801122), we get a palindrome (5754884575).

The spelling of 2211083453 in words is "two billion, two hundred eleven million, eighty-three thousand, four hundred fifty-three".

Divisors: 1 29 76244257 2211083453