Search a number
-
+
1100214121 = 5329370849
BaseRepresentation
bin100000110010011…
…1110111101101001
32211200020200001011
41001210332331221
54223123322441
6301101223521
736156444226
oct10144767551
92750220034
101100214121
11515051176
12268561ba1
13146c27296
14a619694d
15668c9581
hex4193ef69

1100214121 has 8 divisors (see below), whose sum is σ = 1124814600. Its totient is φ = 1075756032.

The previous prime is 1100214107. The next prime is 1100214139. The reversal of 1100214121 is 1214120011.

It can be written as a sum of positive squares in 4 ways, for example, as 737882896 + 362331225 = 27164^2 + 19035^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1100214121 - 211 = 1100212073 is a prime.

It is a super-2 number, since 2×11002141212 = 2420942224095605282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100214161) 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 7 ways as a sum of consecutive naturals, for example, 19896 + ... + 50953.

It is an arithmetic number, because the mean of its divisors is an integer number (140601825).

Almost surely, 21100214121 is an apocalyptic number.

It is an amenable number.

1100214121 is a deficient number, since it is larger than the sum of its proper divisors (24600479).

1100214121 is an equidigital number, since it uses as much as digits as its factorization.

1100214121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71195.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1100214121 is about 33169.4757420132. The cubic root of 1100214121 is about 1032.3470907625.

Adding to 1100214121 its reverse (1214120011), we get a palindrome (2314334132).

The spelling of 1100214121 in words is "one billion, one hundred million, two hundred fourteen thousand, one hundred twenty-one".

Divisors: 1 53 293 15529 70849 3754997 20758757 1100214121