Search a number
-
+
2221211103 = 34637159673
BaseRepresentation
bin1000010001100100…
…1111110111011111
312201210121012210220
42010121033313133
514022112223403
61004224132423
7106020661056
oct20431176737
95653535726
102221211103
11a3a8a7861
1251ba67113
1329524a0c7
14170ddd39d
15d000b953
hex8464fddf

2221211103 has 8 divisors (see below), whose sum is σ = 2962272048. Its totient is φ = 1480478784.

The previous prime is 2221211087. The next prime is 2221211141. The reversal of 2221211103 is 3011121222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2221211103 - 24 = 2221211087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221211903) 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 7 ways as a sum of consecutive naturals, for example, 65926 + ... + 93747.

It is an arithmetic number, because the mean of its divisors is an integer number (370284006).

Almost surely, 22221211103 is an apocalyptic number.

2221211103 is a deficient number, since it is larger than the sum of its proper divisors (741060945).

2221211103 is a wasteful number, since it uses less digits than its factorization.

2221211103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164313.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2221211103 is about 47129.7263200201. The cubic root of 2221211103 is about 1304.7579304677.

Adding to 2221211103 its reverse (3011121222), we get a palindrome (5232332325).

The spelling of 2221211103 in words is "two billion, two hundred twenty-one million, two hundred eleven thousand, one hundred three".

Divisors: 1 3 4637 13911 159673 479019 740403701 2221211103