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2112133130 = 25211213313
BaseRepresentation
bin111110111100100…
…1001100000001010
312110012100110221222
41331321021200022
513311201230010
6545330202042
7103224556352
oct17571114012
95405313858
102112133130
11994275978
124ab423322
13278778623
14160727b62
15c5662355
hex7de4980a

2112133130 has 8 divisors (see below), whose sum is σ = 3801839652. Its totient is φ = 844853248.

The previous prime is 2112133129. The next prime is 2112133139. The reversal of 2112133130 is 313312112.

It can be written as a sum of positive squares in 2 ways, for example, as 2106718201 + 5414929 = 45899^2 + 2327^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21121331302 = 8922212717687193800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112133099 and 2112133108.

It is not an unprimeable number, because it can be changed into a prime (2112133139) 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, 105606647 + ... + 105606666.

Almost surely, 22112133130 is an apocalyptic number.

2112133130 is a deficient number, since it is larger than the sum of its proper divisors (1689706522).

2112133130 is a wasteful number, since it uses less digits than its factorization.

2112133130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211213320.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2112133130 is about 45957.9495843755. The cubic root of 2112133130 is about 1283.0406897050.

Adding to 2112133130 its reverse (313312112), we get a palindrome (2425445242).

The spelling of 2112133130 in words is "two billion, one hundred twelve million, one hundred thirty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 211213313 422426626 1056066565 2112133130