Search a number
-
+
11200000001 = 277322112553
BaseRepresentation
bin10100110111001001…
…00111000000000001
31001220112202221122212
422123210213000001
5140414200000001
65051210511505
7544355300141
oct123344470001
931815687585
1011200000001
114828120853
122206a35595
1310964b1948
14783692921
154583e87bb
hex29b927001

11200000001 has 8 divisors (see below), whose sum is σ = 11244818664. Its totient is φ = 11155213440.

The previous prime is 11199999953. The next prime is 11200000043. The reversal of 11200000001 is 10000000211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4907703025 + 6292296976 = 70055^2 + 79324^2 .

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 11200000001 - 210 = 11199998977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11200000051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885941 + ... + 898493.

It is an arithmetic number, because the mean of its divisors is an integer number (1405602333).

Almost surely, 211200000001 is an apocalyptic number.

It is an amenable number.

11200000001 is a deficient number, since it is larger than the sum of its proper divisors (44818663).

11200000001 is a wasteful number, since it uses less digits than its factorization.

11200000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16051.

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 11200000001 its reverse (10000000211), we get a palindrome (21200000212).

The spelling of 11200000001 in words is "eleven billion, two hundred million, one", and thus it is an aban number.

Divisors: 1 277 3221 12553 892217 3477181 40433213 11200000001