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2112110017 = 4744938511
BaseRepresentation
bin111110111100100…
…0011110111000001
312110012022022020221
41331321003313001
513311200010032
6545325503041
7103224432103
oct17571036701
95405268227
102112110017
1199425a576
124ab411a81
1327876ac54
1416071d573
15c565a597
hex7de43dc1

2112110017 has 4 divisors (see below), whose sum is σ = 2157048576. Its totient is φ = 2067171460.

The previous prime is 2112110009. The next prime is 2112110027. The reversal of 2112110017 is 7100112112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2112110017 - 23 = 2112110009 is a prime.

It is a super-2 number, since 2×21121100172 = 8922017447823480578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112110027) 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, 22469209 + ... + 22469302.

It is an arithmetic number, because the mean of its divisors is an integer number (539262144).

Almost surely, 22112110017 is an apocalyptic number.

It is an amenable number.

2112110017 is a deficient number, since it is larger than the sum of its proper divisors (44938559).

2112110017 is an equidigital number, since it uses as much as digits as its factorization.

2112110017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44938558.

The product of its (nonzero) digits is 28, while the sum is 16.

The square root of 2112110017 is about 45957.6981255589. The cubic root of 2112110017 is about 1283.0360095979.

Adding to 2112110017 its reverse (7100112112), we get a palindrome (9212222129).

The spelling of 2112110017 in words is "two billion, one hundred twelve million, one hundred ten thousand, seventeen".

Divisors: 1 47 44938511 2112110017