Search a number
-
+
2213103443 = 11423193741
BaseRepresentation
bin1000001111101001…
…0100011101010011
312201020100022012012
42003322110131103
514013023302233
61003334253135
7105562032425
oct20372243523
95636308165
102213103443
11a3626a411
125191b71ab
1329366b985
1416dccc815
15ce459548
hex83e94753

2213103443 has 4 divisors (see below), whose sum is σ = 2213308608. Its totient is φ = 2212898280.

The previous prime is 2213103437. The next prime is 2213103467. The reversal of 2213103443 is 3443013122.

2213103443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3443013122 = 21721506561.

It is a cyclic number.

It is not a de Polignac number, because 2213103443 - 26 = 2213103379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213103643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85448 + ... + 108293.

It is an arithmetic number, because the mean of its divisors is an integer number (553327152).

Almost surely, 22213103443 is an apocalyptic number.

2213103443 is a deficient number, since it is larger than the sum of its proper divisors (205165).

2213103443 is a wasteful number, since it uses less digits than its factorization.

2213103443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205164.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2213103443 is about 47043.6333949664. The cubic root of 2213103443 is about 1303.1684926513.

Adding to 2213103443 its reverse (3443013122), we get a palindrome (5656116565).

The spelling of 2213103443 in words is "two billion, two hundred thirteen million, one hundred three thousand, four hundred forty-three".

Divisors: 1 11423 193741 2213103443