Search a number
-
+
11000021107 = 25349433943
BaseRepresentation
bin10100011111010011…
…10000000001110011
31001101121110222012011
422033221300001303
5140012001133412
65015304343351
7536406431245
oct121751600163
931347428164
1011000021107
114735252739
12216ba74b57
131063c3413a
14764cb8095
15445a957a7
hex28fa70073

11000021107 has 4 divisors (see below), whose sum is σ = 11000480400. Its totient is φ = 10999561816.

The previous prime is 11000021099. The next prime is 11000021111. The reversal of 11000021107 is 70112000011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70112000011 = 199735108663.

It is a cyclic number.

It is not a de Polignac number, because 11000021107 - 23 = 11000021099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11000021167) 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, 191623 + ... + 242320.

It is an arithmetic number, because the mean of its divisors is an integer number (2750120100).

Almost surely, 211000021107 is an apocalyptic number.

11000021107 is a deficient number, since it is larger than the sum of its proper divisors (459293).

11000021107 is an equidigital number, since it uses as much as digits as its factorization.

11000021107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459292.

The product of its (nonzero) digits is 14, while the sum is 13.

Adding to 11000021107 its reverse (70112000011), we get a palindrome (81112021118).

The spelling of 11000021107 in words is "eleven billion, twenty-one thousand, one hundred seven".

Divisors: 1 25349 433943 11000021107