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2112475969 = 3476087827
BaseRepresentation
bin111110111101001…
…1101001101000001
312110012222220020201
41331322131031001
513311243212334
6545341405201
7103230515032
oct17572351501
95405886221
102112475969
1199448a50a
124ab569801
132788686a6
141607b6a89
15c56cdc14
hex7de9d341

2112475969 has 4 divisors (see below), whose sum is σ = 2118564144. Its totient is φ = 2106387796.

The previous prime is 2112475951. The next prime is 2112475979. The reversal of 2112475969 is 9695742112.

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 2112475969 - 223 = 2104087361 is a prime.

It is a super-2 number, since 2×21124759692 = 8925109439204977922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112475919) 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, 3043567 + ... + 3044260.

It is an arithmetic number, because the mean of its divisors is an integer number (529641036).

Almost surely, 22112475969 is an apocalyptic number.

It is an amenable number.

2112475969 is a deficient number, since it is larger than the sum of its proper divisors (6088175).

2112475969 is an equidigital number, since it uses as much as digits as its factorization.

2112475969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6088174.

The product of its digits is 272160, while the sum is 46.

The square root of 2112475969 is about 45961.6793535658. The cubic root of 2112475969 is about 1283.1101065081.

The spelling of 2112475969 in words is "two billion, one hundred twelve million, four hundred seventy-five thousand, nine hundred sixty-nine".

Divisors: 1 347 6087827 2112475969