Search a number
-
+
2111003101 = 173429677
BaseRepresentation
bin111110111010011…
…0101100111011101
312110010020001212001
41331310311213131
513310404044401
6545250042301
7103212141664
oct17564654735
95403201761
102111003101
11993673969
124aab79391
1327847117c
14160511ddb
15c54dc601
hex7dd359dd

2111003101 has 8 divisors (see below), whose sum is σ = 2242919160. Its totient is φ = 1986821824.

The previous prime is 2111003093. The next prime is 2111003117. The reversal of 2111003101 is 1013001112.

It can be written as a sum of positive squares in 4 ways, for example, as 6579225 + 2104423876 = 2565^2 + 45874^2 .

It is not a de Polignac number, because 2111003101 - 23 = 2111003093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111003131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209926 + ... + 219751.

It is an arithmetic number, because the mean of its divisors is an integer number (280364895).

Almost surely, 22111003101 is an apocalyptic number.

It is an amenable number.

2111003101 is a deficient number, since it is larger than the sum of its proper divisors (131916059).

2111003101 is an frugal number, since it uses more digits than its factorization.

2111003101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429728 (or 429694 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 2111003101 is about 45945.6537770440. The cubic root of 2111003101 is about 1282.8118323138.

Adding to 2111003101 its reverse (1013001112), we get a palindrome (3124004213).

The spelling of 2111003101 in words is "two billion, one hundred eleven million, three thousand, one hundred one".

Divisors: 1 17 289 4913 429677 7304509 124176653 2111003101