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2112130241 = 13162471557
BaseRepresentation
bin111110111100100…
…1000110011000001
312110012100022222222
41331321020303001
513311201131431
6545330140425
7103224545054
oct17571106301
95405308888
102112130241
11994273791
124ab421715
13278777210
14160726a9b
15c566157b
hex7de48cc1

2112130241 has 4 divisors (see below), whose sum is σ = 2274601812. Its totient is φ = 1949658672.

The previous prime is 2112130187. The next prime is 2112130247. The reversal of 2112130241 is 1420312112.

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 394856641 + 1717273600 = 19871^2 + 41440^2 .

It is not a de Polignac number, because 2112130241 - 222 = 2107935937 is a prime.

It is a super-2 number, since 2×21121302412 = 8922188309893436162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112130247) 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, 81235766 + ... + 81235791.

It is an arithmetic number, because the mean of its divisors is an integer number (568650453).

Almost surely, 22112130241 is an apocalyptic number.

It is an amenable number.

2112130241 is a deficient number, since it is larger than the sum of its proper divisors (162471571).

2112130241 is a wasteful number, since it uses less digits than its factorization.

2112130241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162471570.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2112130241 is about 45957.9181534586. The cubic root of 2112130241 is about 1283.0401047188.

Adding to 2112130241 its reverse (1420312112), we get a palindrome (3532442353).

The spelling of 2112130241 in words is "two billion, one hundred twelve million, one hundred thirty thousand, two hundred forty-one".

Divisors: 1 13 162471557 2112130241