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2111201041 = 2273928817
BaseRepresentation
bin111110111010110…
…0101111100010001
312110010121010101011
41331311211330101
513310431413131
6545254210521
7103213625035
oct17565457421
95403533334
102111201041
11993799654
124ab053a41
132785102b1
141605641c5
15c552b0b1
hex7dd65f11

2111201041 has 4 divisors (see below), whose sum is σ = 2112132132. Its totient is φ = 2110269952.

The previous prime is 2111201011. The next prime is 2111201047. The reversal of 2111201041 is 1401021112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 928116225 + 1183084816 = 30465^2 + 34396^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111201041 - 25 = 2111201009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111201047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462136 + ... + 466681.

It is an arithmetic number, because the mean of its divisors is an integer number (528033033).

Almost surely, 22111201041 is an apocalyptic number.

It is an amenable number.

2111201041 is a deficient number, since it is larger than the sum of its proper divisors (931091).

2111201041 is an equidigital number, since it uses as much as digits as its factorization.

2111201041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931090.

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

The square root of 2111201041 is about 45947.8077931907. The cubic root of 2111201041 is about 1282.8519257080.

Adding to 2111201041 its reverse (1401021112), we get a palindrome (3512222153).

The spelling of 2111201041 in words is "two billion, one hundred eleven million, two hundred one thousand, forty-one".

Divisors: 1 2273 928817 2111201041