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2104245211 = 10120834111
BaseRepresentation
bin111110101101100…
…0011101111011011
312102122111201202211
41331123003233123
513302141321321
6544445135551
7103100534455
oct17533035733
95378451684
102104245211
1198a878632
124a885a5b7
13276c46213
1415d6732d5
15c4b050e1
hex7d6c3bdb

2104245211 has 4 divisors (see below), whose sum is σ = 2125079424. Its totient is φ = 2083411000.

The previous prime is 2104245161. The next prime is 2104245223. The reversal of 2104245211 is 1125424012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2104245211 - 223 = 2095856603 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104245811) 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, 10416955 + ... + 10417156.

It is an arithmetic number, because the mean of its divisors is an integer number (531269856).

Almost surely, 22104245211 is an apocalyptic number.

2104245211 is a deficient number, since it is larger than the sum of its proper divisors (20834213).

2104245211 is a wasteful number, since it uses less digits than its factorization.

2104245211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20834212.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2104245211 is about 45872.0526137647. The cubic root of 2104245211 is about 1281.4414935008.

Adding to 2104245211 its reverse (1125424012), we get a palindrome (3229669223).

The spelling of 2104245211 in words is "two billion, one hundred four million, two hundred forty-five thousand, two hundred eleven".

Divisors: 1 101 20834111 2104245211